一、单选
Unit1（第一部分）
1 Most students in this class _____from the countryside. A.is B.are C.will D.would 正确答案：B
2 Nearly one hundred people____attended the meeting A.are B.have C.has D.were 正确答案：B
3 The number of teachers in this school_____unknown A.are B.is being C.is D.are being 正确答案：C
4 Four hours_____too long for him to write the letter A.has B.are C.is D.have 正确答案：C
5 Physics_____interesting subject
A.is an B.are an C.is a D.are a 正确答案：A
6 The news you told me____surprising
A.is B.are C.wil D.should
正确答案：A
7 Both you and I _____finshed the work in time A.am B.have C.are D.is
8 Either Mr.Lee or the students_____to clean the blackboard A.had B.has C.have D.having
正确答案：C
9 The mother together with her sons_____asked to go to the court A.are B.have C.was D.were
正确答案：C
10 Neither of his two friend_____told him the truth A.have B.are C.has D.is 正确答案：C
11 Some of us_____with you.
A.agree B.has agreed C.agrees D.is agreeing 正确答案：A
12 Some of the water_____wasted by them A.was B.were C.are D.being 正确答案：A
13 Little____he______French
A.does...knows B.does....know C.did....know D.did....knew 正确答案：B
14 A lot of time_____ been spent doing the experiment
A.have B.has C.is D.are 正确答案：B
15 ____joyful he was to meet his father again!
A.What B.How a C.How D.What a
正确答案：C
Unit1（第二部分）
1 I'm afraid I can't finish the work ____________to help me.
A. unless you will come B. unless you come C. until you will come D. until you shall come 正确答案：B 答案讲解：在时间、条件状语从句中，往往用一般现在时来表示将来的动作，故可以排除A、C 和D。根据题意，选择“除非你来帮我，否则我恐怕完不成工作”更合情理，所以答案为B。
2 We can go when the ground____________. A. is drying B. has dried C. dried D. dry
正确答案：B 答案讲解：有时为了明确在时间上分句动作的完成先于主句的动作，也可用现在完成时表示将来某一时刻前完成的动作，但不能用将来完成时的形式。因此，答案为B，意为 “当地面干了以后，我们就可以走了。”
6 \
\ A. have been B. had been C. was D. will
正确答案：A
答案讲解：时间状语only a few minutes表示“我在这儿等了一段时间了”，这个动作从过去发生一直延续到现在，应用现在完成时，所以答案为A，意为“——对不起让你久等了。——噢，没关系，我刚来几分钟”。
8 When I was a child, my teacher told me that the earth ____________round. A. was B. had been C. has been D. is
正确答案：D
答案讲解：动词表示普遍事实和客观真理时，应用一般现在时。“地球是圆的”是一个客观事实，所以不管主句是什么时态，谓语动词应为一般现在时，即D为正确答案，意为“当我小的时候，我的老师告诉我地球是圆的”。
10 \
\ A. get B. will get C. are getting D. will have got 正确答案：A 答案讲解：在时间、条件状语从句中，常用一般现在时表示将来的动作，所以在本句中when引导的从句应用一般现在时，即选A，意为“爸爸，我可以加入你们的俱乐部吗？当你长大一些就可以啊”。
13 If it ____________ tomorrow, we'll go swimming.
A. doesn't rain B. isn't raining C. don't rain D. isn't to rain 正确答案：A
答案讲解：在时间、条件状语从句中，常用一般现在时表示将来的动作，所以本题应选A，意为“如果明天不下雨，我们就去游泳”。
14 When he ____________ all the goods， he'll, of course, go home. A. will sell B. has sold C. sells D. will have sold
正确答案：B
答案讲解：在时间和条件状语从句中，可用现在完成时代替将来完成时，所以本题应选B，意为“当他卖完了所有的货物，他当然会回家”。
15 Don't talk so loudly. Your father ____________ . A. sleeps B. is sleeping C. slept D. has slept 正确答案：B
答案讲解：根据上下文，可知“父亲此时正在睡觉，所以不要大声说话”，所以应选择现在进行时，即答案为B。
Unit2
1 He ____________the Communist Party____________2002. A. has joined, in B. has joined, since C. joined, on D. joined, in 正确答案：D
解析：本句意为“他在2002年加入了共产党”，这是对过去发生的事件的陈述，应该用一般过去时，所以答案为D。本句不能选择完成时态，因为动词join不能表示动作的持续性，所以也就不能和since引导的时间状语连用。
5 \
\ A. was played B. played C. was playing D. playing 正确答案：A
解析：本句的意思是“——你喜欢昨晚的音乐会吗？——是的，虽然最后一曲不怎么样”。分析句子结构，主语为the last piece，可知此处应该选择被动语态，而这件事情发生在昨晚，所以应用一般过去时，即答案为A。
6 David ____________himself while he ____________the machine.
A. hurted… was fixing B. hurts… is fixing C. hurt ??fixed D. hurt … was fixing 正确答案：D
解析：本句的意思是“大卫修机器的时候，弄伤了自己”，表示当一个动作正在进行时，另外一个动作突然发生，所以应该选择过去进行时和一般过去时。动词hurt的过去时形式是hurt，所以答案为D。
8 He said that he ____________to the United States.
A. had never been B. had never gone C. was never D. has never been
正确答案：A
解析：have been to a place的意思是说话时已经去过某地，现在已经回来了；have gone to a place的意思是说话时已经去某地了，现在还没有回来。本句的主句是一般过去时，所以从句应该选择过去完成时，即答案为A，意为“他说他从没去过美国”。
9 This time last year I ____________my holiday in the countryside. A. have B. was having C. am having D. have had
正确答案：B
解析：根据时间状语this time last year（去年的这个时候），我们可知本句的动词应用过去进行时，所以答案为B，意为“去年的这个时候，我正在乡下度假”。
11 I'm sorry that I____________you had been there already.
A. won't know B. didn't know C. don't know D. haven't known
正确答案：B
解析：从句you had been there already用的是过去完成时，可知动词know应该选用相应的过去时态，所以答案为B，意为“对不起，我不知道你已经到这儿了”。
12 It____________hard when I left the house. A. is raining B. rains C. was raining D. will rain
正确答案：C
解析：根据时间状语从句when I left the house（当我离开家的时候）可知主句应表示“天正在下雨”，所以应该选择进行时态。从句用的是一般过去时，主句也应用相应的过去时态，所以答案为C，意思是“当我离开家的时候，天正在下雨”。
13 Tim ____________ a great number of different places in Australia.
A. already has visited B. has already visited C. has visited already D. has ever visited 正确答案：B
解析：在完成时态中，副词already和just等应放在助动词have、has、had和动词过去分词之间，所以答案为B，意思是“汤姆已经游览了澳大利亚很多不同的地方”。
14 Up to now, I ____________ very successful.
A. am not B. haven't been C. was not D. were not 正确答案：B
解析：根据时间状语up to now（直到现在），我们可知本句的动词应用完成时态，所以答案为B，意思是“到目前为止我还不是很成功”。
15 The wheat ____________cut three days ago. A. were B. has been C. had D. was 正确答案：D
解析：短语three days ago是一般过去时的时间状语，主语the wheat是不可数名词，所以应选D，意思是“麦子三天前就割了”。
Unit3
1 One____________if one breaks the law.
A. will be punished B. will punish C. is being punished D. has been punished 正确答案：A 解析：one 和punish之间是被动关系，应用被动语态。根据条件状语从句if one breaks the law可知punish这个动作没有发生，应该用一般将来时，所以答案为A，意思是“如果一个人触犯法律，就会受到惩罚”。
3 Middle school boys____________not to smoke.
A. always tell B. are told always C. are always told D. is always told
正确答案：C
解析：主语middle school boys是复数，而且与谓语动词tell之间是被动关系，这样可以排除A和D。副词always应该放在助动词和实义动词之间，所以应该选C，意思是“中学男生总是被告知不要抽烟”。
4 If you study hard, you____________the examination. A. has passed B. are passing C. have passed D. will pass
正确答案：D 解析：分析句意，即“如果你好好学习，你就会通过考试”，可知pass这个动作还没有发生，应该用一般将来时，所以选D。
5 John does a lot of housework every evening, but now he ____________his schoolmates with their lessons.
A. help B. is helping C. helps D. has helped 正确答案：B
解析：根据but后面的时间状语now可知这一动作正在进行中，应该用现在进行时，所以选B，意思是“约翰每天傍晚做很多的家务活，但是现在他正在帮助他的同学们复习功课”。
7 By the end of 2020 China ____________much stronger and richer. A. will become B. would become C. is becoming D. will have become 正确答案：D 解析：根据时间状语by the end of 2020可知本句表示在未来的时间点之前将会完成的动作，应该用将来完成时，所以答案为D，意思是“到2020年末，中国将会变得更加强大、富有”。
10 The railway____________in three years.
A. is complete B. will completed C. has completed D. will be completed
正确答案：D
解析：根据时间状语in three years可知这个动作将要发生，应该用一般将来时态，而主语railway和谓语complete之间是被动关系，所以答案为D，意思是“铁路将在三年内完成”。
11 The Anti-Japanese War____________in 1937 and it____________eight years.
A. break out ??last B. was broken out ? lasted C. broke out ??last D. broke out? ?lasted 正确答案：D
解析：根据时间状语in 1937可知这是过去发生的事情，应用一般过去时。主语the