初三九年级英语下册：主谓一致专项强化练习及答案

这是一份初三九年级英语下册：主谓一致专项强化练习及答案，共17页。
初三英语下册：主谓一致
第一部分:1-50 专项练习 第二部分:51-100 全面解析

1．This pair of shoes _______ old. Please buy me _______, Mom.
A．is; another one B．are; another pair
C．is; another pair D．are; another one
2．Dr. Smith, together with his wife and daughters, _______ visit Beijing next summer.
A．is going to B．are going to C．was going to D．were going to
3．—David, there ____ a dictionary and some books on your desk. Please put them away.
—OK. Mum. I'll do it right away.
A．is B．are C．have D．has
4． Everybody except Mike and Linda ____ there when the meeting began.
A．was B．are C．is D．were
5．Jack ________ his brothers goes to the park.
A．and B．also C．as well as D．but
6．Kobe Bean Bryant, an MPV basketball player, _____for 2 years, but his spirit still remains in the heart of tens of thousands of people.
A．died B．was dying C．has been died D．has been dead
7．—How heavy the traffic is!
—That's because the number of the cars in Jiangyan getting now.
A．are; more B．are; fewer C．is; larger D．is; more
8．Linda with her parents_________ to Jingyue Park every week, and all of them feel very happy.
A．go B．goes C．went D．going
9．My mother usually says eating vegetables ___________________ good for my health.
A．was B．were C．is D．are
10．Planting more trees ________________ good ________________ the environment.
A．is; for B．is; at C．are; for D．are; at
11．The number of the students in our class ________ fifty. A large number of them ________ girls.
A．is; are B．is; is C．are; is D．are; are
12．In our school library there ________ a number of books on science, and in these years the number of them growing larger and larger.
A．are; is B．is; are C．have; are D．has; is
13．Amy _________ dinner when the telephone rang.
A．is cooking B．was cooking C．cooked D．has cooked
14．It was amazing that Huoshenshan Hospital_________ in such a short time at the beginning of 2020.
A．built B．is built C．was built D．has built
15． My father often ____ 15 minutes ____ newspaper every night.
A．spend; read B．spend; reading
C．spends; reads D．spends; reading
16．Paper- making ________ by the Chinese in the Western Han Dynasty.
A．is invented B．invented C．was invented
17．I like to watch The Chinese Restaurant Season III (《中餐厅3》), but neither my father nor mother _________ it.
A．like B．liked C．likes
18．—The number of tourists _________over 33 million this year.
—Yes. A large number of tourists _________so far because of the new look of our city.
A．is; have come B．is; has come
C．are; has come D．are; have come
19．A large amount of money _________needed now.
A．is B．are C．was D．were
20．Everyone in my class except Tom and Mary ___________to Beijing.
A．have been B．have gone C．has been
21．There are many websites on the Internet and there__________ a lot of useful__________ on the websites.
A．are; informations B．are; information
C．is; information D．is; informations
22．Forty minutes _______ for the children to finish all the work.
A．is quite a long time B．are quite long
C．was a quite long time D．were quite long time
23．The number of the children in the school _____ about three hundred. _____ of them______ from the countryside.
A．is; 20 percents; are B．is; 20 percent; are
C．are; 20 percent; is D．are; 20 percents; are
24． of the coats made of cotton. They feel comfortable.
A．Two-thirds; is B．Two-thirds; are
C．Two-third; is D．Two-third; are
25．—Mrs Green, could I go home now?
—I am afraid not. Only those who ________ the work can leave.
A．have finished B．finished C．has finished D．finishes
26．—Did you see Tom yesterday?
—No, I him for a long time.
A．didn't see B．hasn't seen C．saw D．haven't seen
27．A woman with two children _________ along the street over there.
A．is walking B．are walking C．walk D．walks
28．The telephone __________ by a well-known scientist, Alexander Graham Bell.
A．invented B．inventing C．was invented D．invents
29．The number of students in this university grown quickly over the past ten years.
A．have B．has C．is
30．A large number of people_________ for nearly half a year in Africa because of Ebola virus disease.
A．have died B．have been dead C．has died D．has dead
31．There were few types of cameras in this shop. ___________?
A．were there B．weren't there C．were they D．weren't they
32．He has little knowledge of history and geography, ___________ he?
A．had B．does C．hasn't D．doesn't
33．—Good news．We are going to have a ______ holiday．
—But I don't think two weeks ______ enough．
A．two weeks：is B．two-week；is
C．two-week；are D．two weeks'；are
34．The number of _____ in our class _____ fifty.
A．student；is B．the students；are
C．the students；is D．students；are
35．Neither he nor I ________ going to Beijing.
A．are B．is C．am D．be
36．Her voice ____ like my mother's.
A．sound B．sounds C．looks D．look
37．Peter ______ my brother ________good at playing the guitar.
A．as well as; is B．as well; is
C．as well as; are D．as well; are
38．—Who will teach you to swim this summer?
—The twins. Because ____Lily ____Lucy swim very well.
A．both, and B．either, or C．not only, but also
39．Not only Jim but also his sister _______ a few cities in the south since they came to China.
A．has visited B．have visited C．visited
40．— Could you help me clean the floor, Bob?
— Wait a moment. I _______________ for some information about the World Cup.
A．search B．have searched C．am searching D．was searching
41．— I called you at eight last night, but you didn't answer. What were you doing?
— I _______________.
A．took a shower B．was taking a shower
C．take a shower D．have taken a shower
42．— When will you give the novel back to me?
— Sorry, I _______________ it. How about Friday?
A．didn't finish B．won't finish
C．haven't finished D．don't finish
43．— I called you at 5: 00 yesterday afternoon, but no one answered.
— Sorry, I along with my parents ____________ at that time.
A．was shopping B．were shopping C．are shopping D．am shopping
44．— How many girls are there in your class?
—______ them ______ over twenty
A．A number of; are B．The number of; are
C．A number of; is D．The number of; is
45．I __________ ten letters from the readers so far.
A．receive B．received C．will receive D．have received
46．There was a big earthquake in Japan, but luckily many people __________.
A．to save B．save C．are saved D．were saved
47．Many houses __________ by the earthquake and thousands of people were left homeless.
A．damaged B．were damaged C．were damaging D．are damaged
48．—Do you enjoy the songs sung by Jay Chou?
—Of course. Not only I but also my parents _______ his fans.
A．am B．are C．was
49．The poor man needs our help, he?
A．need B．needn't C．does D．doesn't
50．—Look, Tom's parents look so sad.
—Maybe they what's happened.
A．knew B．have known C．has known D．will know


答案解析部分
1．C
2．A
3．A
4．A
5．C
6．D
7．C
8．B
9．C
10．A
11．A
12．A
13．B
14．C
15．D
16．C
17．C
18．A
19．A
20．C
21．C
22．A
23．B
24．B
25．A
26．D
27．A
28．C
29．B
30．B
31．A
32．B
33．B
34．C
35．C
36．B
37．A
38．A
39．A
40．C
41．B
42．C
43．A
44．D
45．D
46．D
47．B
48．B
49．D
50．B


初三英语下册：主谓一致
第一部分:1-50 专项练习 第二部分:51-100全面解析

1．This pair of shoes _______ old. Please buy me _______, Mom.
A．is; another one B．are; another pair
C．is; another pair D．are; another one
全面分析：句意：这双鞋旧了。妈妈，请再给我买一双。is用于主语是第三人称单数的后面；are用于主语是第二人称或复数的后面；another one另一个；another pair另一双；this pair of+复数名词做主语时，谓语动词与pair的数量保持一致，pair是单数，be动词用is；第二个空应为再买一双，而不是一个，故答案为C。

2．Dr. Smith, together with his wife and daughters, _______ visit Beijing next summer.
A．is going to B．are going to C．was going to D．were going to
全面分析：句意：史密斯博士明年夏天将和他的妻子和女儿一起访问北京。be going to表示计划，打算做某事；be动词是is/are时，表示一把将来时；是was/were时是过去将来时；根据时间next summer，明年夏天，可知是一般将来时，主语是Dr. Smith，是第三人称单数，所以be动词用is，故答案为A。

3．—David, there ____ a dictionary and some books on your desk. Please put them away.
—OK. Mum. I'll do it right away.
A．is B．are C．have D．has
全面分析：句意：——大卫，你的桌子上有一本字典和一些书。请把它们收起来。——好的。妈妈。我马上去做。句子是there be结构，排查CD选项；there be结构的be动词遵循就近原则，也就是跟be动词最近的主语保持一致，根据空后面的a dictionary，可知是单数，谓语用be动词is，故答案为A。

4． Everybody except Mike and Linda ____ there when the meeting began.
A．was B．are C．is D．were
全面分析：句意：会议开始时，除迈克和琳达外，所有人都到了。was，is的过去式；are复数的be动词；is单数的be动词；were，are的过去式；句子的主语是everybody，单数，谓语动词用单数形式，根据began，可知句子是一般过去式，用is的过去式was，故答案为A。

5．Jack ________ his brothers goes to the park.
A．and B．also C．as well as D．but
全面分析：句意：杰克和他的兄弟们去公园。A.和，连词，主语是Jack and his brothers是复数，所以go用原形go，排除A；B.也，副词，名词和名词之间不用副词，排除B；C.也，和，介词；D.但是，连词，表示转折，意思不符，排除D。as well as+名词做主语时看as well as前面的名词单复数，Jack是单数，所以go用单三式goes，故选C。

6．Kobe Bean Bryant, an MPV basketball player, _____for 2 years, but his spirit still remains in the heart of tens of thousands of people.
A．died B．was dying C．has been died D．has been dead
全面分析：句意：MPV篮球运动员科比·布莱恩特已经去世2年了，但他的精神仍然留在成千上万人的心中。die去世，短暂性动词，根据一段的时间状语for 2 years，可知时态为现在完成时have/has+过去分词，且应填延续性动词，be+dead，表状态，为延续性动词，故选D。

7．—How heavy the traffic is!
—That's because the number of the cars in Jiangyan getting now.
A．are; more B．are; fewer C．is; larger D．is; more
全面分析：句意：——交通多么拥挤啊！——那是因为现在江堰的汽车数量越来越多了。the number of 表示"……的数量"，修饰主语时，谓语be动词用单数is，排除A和B选项。larger更大的，more更多的。修饰数量的多要用larger。故选C。

8．Linda with her parents_________ to Jingyue Park every week, and all of them feel very happy.
A．go B．goes C．went D．going
全面分析：句意：琳达和她的父母每周都去净月公园，他们都感到非常高兴。go to，去，固定短语。结合语句中的主语Linda with her parents，可知谓语动词要用第三人称单数形式，故答案为B。

9．My mother usually says eating vegetables ___________________ good for my health.
A．was B．were C．is D．are
全面分析：句意：我妈妈通常说吃蔬菜对我的健康有好处。根据主句的时态和usually 可知，本句应用一般现在时，排除A、B；动名词作主语时，谓语动词应用单数形式，故答案为C。

10．Planting more trees ________________ good ________________ the environment.
A．is; for B．is; at C．are; for D．are; at
全面分析：句意：多种树对环境有好处。动名词短语作主语，谓语动词用第三人称单数，排除C、D两项；be good for 对……有好处；be good at擅长；根据句意可知是对环境有好处，故答案为A。

11．The number of the students in our class ________ fifty. A large number of them ________ girls.
A．is; are B．is; is C．are; is D．are; are
全面分析：句意：我们班学生们的数量是五十。他们中的许多人是女孩。the number of，……的数量，后接可数名词复数，谓语动词用单数；a large number of...大量....，后接可数名词复数，谓语动词用复数，故答案为A。

12．In our school library there ________ a number of books on science, and in these years the number of them growing larger and larger.
A．are; is B．is; are C．have; are D．has; is
全面分析：句意： 在我们学校的图书馆里有一些关于科学方面的书，这些年来它们的数量越来越多。 第一个分句是 there be句型，be动词根据就近原则，此处主语是a number of+可数名词复数，谓语动词要用复数，应用are；第二个分句的主语是the number of +可数名词复数或代词复数，谓语动词单数，应用is。故选A。

13．Amy _________ dinner when the telephone rang.
A．is cooking B．was cooking C．cooked D．has cooked
全面分析：句意：当电话响起时，Amy正在做晚饭。A.正在做，现在进行时；B.正在做，过去进行时；C.做了，一般过去时；D.已经做了，现在完成时。when当......时候，when引导的时间状语从句，从句用一般过去时，主句用过去进行时，结构是was/were+动词ing，主语是Amy，专有名词，所以助动词be用was，cook用cooking，故选B。

14．It was amazing that Huoshenshan Hospital_________ in such a short time at the beginning of 2020.
A．built B．is built C．was built D．has built
全面分析：句意：令人惊讶的是，火神山医院在2020年初这么短的时间内建成。此处为that引导的主语从句，从句的主语Huoshenshan Hospital是动作build的承受者，且2020表明时态是一般过去时，所以用一般过去时的被动语态，结构是was/were+动词过去分词，主语Huoshenshan Hospital是专有名词，所以助动词用was，build的过去分词是built，故选C。

15． My father often ____ 15 minutes ____ newspaper every night.
A．spend; read B．spend; reading
C．spends; reads D．spends; reading
全面分析：句意：我的父亲经常每天晚上花费五分钟读报纸。spend，动词，花费，主语通常是人，在这里spend做谓语，要表达一种习惯，用一般现在时态，主语是第三人称单数，spend用spends；花费时间做某事spend some time doing sth.因此read用reading，故选D。

16．Paper- making ________ by the Chinese in the Western Han Dynasty.
A．is invented B．invented C．was invented
全面分析：句意：造纸术是中国在西汉时期发明的。根据by the Chinese 可知，Paper-making和invent之间存在被动关系，表示被发明，因此使用被动语态，结合in the Western Han Dynasty. 可知本句为一般过去时被动语态was/were+done的形式。主语 Paper- making ，不可数名词，要用was，invent的过去分词invented。故选C。

17．I like to watch The Chinese Restaurant Season III (《中餐厅3》), but neither my father nor mother _________ it.
A．like B．liked C．likes
全面分析：句意：我喜欢看《中餐厅3》，但我爸爸妈妈都不喜欢。固定搭配neither...nor...，既不……也不……，遵循就近原则，因此谓语动词的形式和mother保持一致，描述客观事实用一般现在时，主语是第三人称单数，动词需用第三人称单数形式，故选C。

18．—The number of tourists _________over 33 million this year.
—Yes. A large number of tourists _________so far because of the new look of our city.
A．is; have come B．is; has come
C．are; has come D．are; have come
全面分析：句意：——今年游客人数超过3300万。——是的。由于我们城市的新面貌，大批游客来到这里。the number of… ……的数量，作主语时谓语动词用单数，a number of许多，后跟复数名词，作主语时谓语动词用复数，故答案为A。

19．A large amount of money _________needed now.
A．is B．are C．was D．were
全面分析：句意：现在需要大量的钱。根据now可知排除选项C、D；主语是A large amount of money，因此用is，故选A。

20．Everyone in my class except Tom and Mary ___________to Beijing.
A．have been B．have gone C．has been
全面分析：句意：除了汤姆和玛丽，我们班的每个人都去过北京。句子主语是everyone每人，人人，单数，助动词用has，故答案为C。

21．There are many websites on the Internet and there__________ a lot of useful__________ on the websites.
A．are; informations B．are; information
C．is; information D．is; informations
全面分析：句意：网上有很多网站，网站上有很多有用的信息。information信息，不可数名词，排除A和D；there be句型遵循就近原则，根据information可知be动词用is，故选C。

22．Forty minutes _______ for the children to finish all the work.
A．is quite a long time B．are quite long
C．was a quite long time D．were quite long time
全面分析：句意：45分钟完成所有的工作对孩子们来说是相当长的时间。主语是Forty minutes，一段时间作主语时，谓语动词要用单数，因此排除选项B、D。固定搭配 quite a +形容词+名词，相当……的……。故选A。

23．The number of the children in the school _____ about three hundred. _____ of them______ from the countryside.
A．is; 20 percents; are B．is; 20 percent; are
C．are; 20 percent; is D．are; 20 percents; are
全面分析：句意：这所学校的学生大约有三百人。其中20%来自农村。 The number of……的数量，做主语时，谓语动词用单数，排除CD选项；percent百分数，没有复数形式，第三个空根据of them，他们之中的……，可知谓语动词用复数；故答案为B。

24． of the coats made of cotton. They feel comfortable.
A．Two-thirds; is B．Two-thirds; are
C．Two-third; is D．Two-third; are
全面分析：句意：三分之二的外套是棉花做成的，它们感觉很舒服。表示几分之几，要用“基数词+序数词”，分子为基数词，分母为序数词，且基数词大于1，序数词后加上s，two-thirds 三分之二，主语 the coats是复数，be 动词要用 are，故选B。

25．—Mrs Green, could I go home now?
—I am afraid not. Only those who ________ the work can leave.
A．have finished B．finished C．has finished D．finishes
全面分析：句意：——格林太太，我现在可以回家了吗？——恐怕不行，只有完成工作的人才能离开。现在完成时表示对现在的影响，故是have done的形式，主语是名词复数those，故助动词是have，故选A。

26．—Did you see Tom yesterday?
—No, I him for a long time.
A．didn't see B．hasn't seen C．saw D．haven't seen
全面分析：句意： ——你昨天看见汤姆了吗？——不，我很久没有看到他了。根据 for a long time，可知时态是现在完成时，主语是I 第一人称，故助动词是have，故选D。

27．A woman with two children _________ along the street over there.
A．is walking B．are walking C．walk D．walks
全面分析：句意：一位妇女带着两个孩子正在那边沿着街走。A.正在走，现在进行时；B.正在走，现在进行时；C.走，动词原形；D.走，三单式。根据along the street over there. 可知，此处表示有一个带着孩子的女人正在沿着街走，时态用现在进行时，其结构为be+现在分词，且主语woman含有带with的短语，谓语动词遵循就远原则，根据woman，可知be动词用is，故选A。

28．The telephone __________ by a well-known scientist, Alexander Graham Bell.
A．invented B．inventing C．was invented D．invents
全面分析：句意：电话是由著名的科学家安东尼奥·梅乌奇（Antonio Meucci）发明的。由空后介词by和语境可知，空处谓语动词需用一般过去时的被动语态：was/were done，表示过去被发明，主语是单数，be动词需用单数was。故选C。

29．The number of students in this university grown quickly over the past ten years.
A．have B．has C．is
全面分析：句意：在过去的十年里，这所大学的学生人数增长很快。根据时间状语over the past ten years. 在过去的十年里，可知句子用现在完成时：have/has+过去分词，主语是the number of+复数名词，……的数量，做主语时，谓语动词用单数，故答案为B。

30．A large number of people_________ for nearly half a year in Africa because of Ebola virus disease.
A．have died B．have been dead C．has died D．has dead
全面分析：句意： 因为埃博拉病毒疾病 ，大量的人已经死了将近半年了。此处主语是a large number of修饰的名词，谓语动词应该用原形，排除C和D；die死，短暂性动词；be dead死去，延续性动词短语；根据句中时间段for nearly half a year 可知，此处应该用延续性动词，故选B。

31．There were few types of cameras in this shop. ___________?
A．were there B．weren't there C．were they D．weren't they
全面分析：句意：这家商店的照相机种类很少。反意疑问句的构成，前面陈述句与简短的问句；两部分的人称时态应保持一致；前肯后否与前否后肯。根据前句是there be一般过去时的陈述句，句中有few，表示否定的含义，所以简短的问句要用肯定形式were there。故选A。

32．He has little knowledge of history and geography, ___________ he?
A．had B．does C．hasn't D．doesn't
全面分析：句意：他没有一点历史和地理知识，是吗？本题考查的是反义疑问句的构成，反义疑问句的结构为：肯定句+否定疑问？否定句+肯定疑问？由little可知，原句为否定句，后面是肯定疑问，原句中的has是行为动词，构成附加疑问应使用助动词does。故答案是B。

33．—Good news．We are going to have a ______ holiday．
—But I don't think two weeks ______ enough．
A．two weeks：is B．two-week；is
C．two-week；are D．two weeks'；are
全面分析：句意：——好消息。我们将会有一个两周的假期。——但是沃恩为两周是不够的。基数词+连字符+名词，相当于形容词。修饰名词holiday，或用名词所有格结构表示two weeks'两周的；two weeks作主语，看成一个时间段，故谓语用单数形式is。故选B。

34．The number of _____ in our class _____ fifty.
A．student；is B．the students；are
C．the students；is D．students；are
全面分析：句意：我们班学生的人数是50。the number of+the+复数名词，表示……的数量，作主语时，谓语用单数形式。故选C。

35．Neither he nor I ________ going to Beijing.
A．are B．is C．am D．be
全面分析：句意： 他和我都不打算去北京。be going to some place将要去某地；此处是neither…nor…连接的并列主语，谓语动词根据就近原则，此处应该跟第一人称单数I保持一致，所以此处系动词应该用am，故选C。

36．Her voice ____ like my mother's.
A．sound B．sounds C．looks D．look
全面分析：句意： 她的声音听起来像我妈妈的。 sound听起来，look看起来，都是感官动词；根据主语为her voice可知，声音应该用听起来，故排除C和D；此处描述客观事实，所以用一般现在时，主语是名词单数，所以谓语动词用三单形式，故选B。

37．Peter ______ my brother ________good at playing the guitar.
A．as well as; is B．as well; is
C．as well as; are D．as well; are
全面分析：句意：彼得和我哥哥擅长弹吉他。固定搭配，as well as和……一样；as well，也；as well as可以做连词连接两个词做主语，排除as well；当主语后面跟有with, together with, like, except, but, no less than, as well as 等词引起的短语时，谓语动词与前面的主语一致，Peter是第三人称单数则动词应使用第三人称单数形式is；故选A。

38．—Who will teach you to swim this summer?
—The twins. Because ____Lily ____Lucy swim very well.
A．both, and B．either, or C．not only, but also
全面分析：句意：——今年夏天谁会教你游泳？——双胞胎。因为丽丽和露西游泳很好。根据动词swim使用的原形可知主语应为复数意义的；either…or…与not only…but also…连接两个词做主语谓语动词是就近一致原则，Lucy是第三人称单数，做主语动词应使用第三人称单数形式swims；故选A。

39．Not only Jim but also his sister _______ a few cities in the south since they came to China.
A．has visited B．have visited C．visited
全面分析：句意：不仅是吉姆还有他妹妹自从来到中国已经去过一些城市。since后的句子是一般过去时态则前面的主句应使用现在完成时态；not only…but also…连接两个词做主语谓语动词是就近一致原则，his sister是第三人称单数则助动词应使用has；故选A。

40．— Could you help me clean the floor, Bob?
— Wait a moment. I _______________ for some information about the World Cup.
A．search B．have searched C．am searching D．was searching
全面分析：句意：——鲍勃，你能帮我擦地板吗？——等一下。我正在搜索世界杯的一些信息。根据 Wait a moment. 可知，搜索世界杯信息这一动作正在进行，应使用现在进行时。C选项是正确的现在进行时的结构。故答案是C。

41．— I called you at eight last night, but you didn't answer. What were you doing?
— I _______________.
A．took a shower B．was taking a shower
C．take a shower D．have taken a shower
全面分析：句意：——昨天晚上八点我给你打电话了，但是你没有接电话，你在干什么？——我当时正在洗澡。根据问句 What were you doing? 可知，答句应会使用过去进行时，B是正确的过去进行时结构，故答案是B。

42．— When will you give the novel back to me?
— Sorry, I _______________ it. How about Friday?
A．didn't finish B．won't finish
C．haven't finished D．don't finish
全面分析：句意：——你什么时候把小说还给我？——对不起。我没有读完呢、周五咋样？根据Sorry和 How about Friday? 可知，对方现在不能还给他书。说明没有读完这一动作产生的影响，因此使用现在完成时。故答案是C。

43．— I called you at 5: 00 yesterday afternoon, but no one answered.
— Sorry, I along with my parents ____________ at that time.
A．was shopping B．were shopping C．are shopping D．am shopping
全面分析：句意：——昨天下午五点我打了电话给你，但是没有人回应。——很抱歉，那时我和我父母正在购物。由空格后的at that time.可知这里要用过去进行时，其结构为was/were+动词ing形式，但是当主语与along with连用时不受其限制，谓语动词应与主语保持一致，题中主语为I，所以谓语动词用单数形式was，故选A。

44．— How many girls are there in your class?
—______ them ______ over twenty
A．A number of; are B．The number of; are
C．A number of; is D．The number of; is
全面分析：句意：——你班上有多少女生？——他们的总数是二十多。A number of，许多，故谓语动词是复数are，the number of，……的总数，故谓语动词是单三式is，根据 over twenty，可知此处表示总数，故选D。

45．I __________ ten letters from the readers so far.
A．receive B．received C．will receive D．have received
全面分析：句意：到目前为止，我已经收到了十封读者来信。so far 到目前为止，表示过去的动作对现在产生的结果，要用现在完成时have+过去分词。故选D。

46．There was a big earthquake in Japan, but luckily many people __________.
A．to save B．save C．are saved D．were saved
全面分析：句意：日本发生了一场大地震，但幸运的是许多人获救了。people与save之间是被动关系，要用被动语态；根据上句中谓语动词was，可知要用一般过去时的被动语态be（was/were）+过去分词。主语people，复数，要用were，save的过去分词saved。故选D。

47．Many houses __________ by the earthquake and thousands of people were left homeless.
A．damaged B．were damaged C．were damaging D．are damaged
全面分析：句意：地震破坏了许多房屋，数千人无家可归。根据 houses 与damage之间是被动关系，要用被动语态。由下句中谓语动词left，可知要用一般过去时的被动语态be（was/were）+过去分词。主语houses，复数，be要用were，damage的过去分词damaged，故选B。

48．—Do you enjoy the songs sung by Jay Chou?
—Of course. Not only I but also my parents _______ his fans.
A．am B．are C．was
全面分析：句意：——你喜欢周杰伦唱的歌吗?——当然。不仅我而且我的父母都是他的粉丝。Not only…but also...连接主语时，谓语动词遵循就近原则，my parents是复数人称，系词需用are，故选B。

49．The poor man needs our help, he?
A．need B．needn't C．does D．doesn't
全面分析：句意： 这个可怜的人需要我们的帮助，不是吗？根据 , he? 可知是反义疑问句，前肯后否，故排除A和C，needs是动词单三式，故用助动词does的否定形式doesn't，故选D。

50．—Look, Tom's parents look so sad.
—Maybe they what's happened.
A．knew B．have known C．has known D．will know
全面分析：句意： ——看，汤姆的父母看起来很伤心。——也许他们知道发生了什么事。根据 Tom's parents look so sad，可知是现在完成时表示过去的动作对现在的影响，主语是they 复数，故助动词是have，故选B。