英语北师大版选修6练习：unit17laughter178含解析.doc
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Part 2 Grammar
-V用所给动词的适当形式填空
I ・ While he ___ (be)in Japan,he helped a lot of people.
答案:was
2. ___________________ Look!Those people (argue)with the salesmen about the bags of salt.
答案:are arguing
3」first met Lucy two years ago.She _____ (work)ai a shop al that lime.
答案:was working
4. You _____ always ______ (watch)TV.Why not do something more active?
答案 are;watching
5. Mary is living in our city now,but she once _____ (work)in Japan.
答案 :worked
二、单项填空
I. — Kevin,you look worricd.Anything wrong?
-WellJ _______ a test and Fm waiting for the result.
A.will take
C.had taken D.take
解析:考查时态。由第二句中T'm waiting for the result"可知，考试已经纟吉束，故用一般过去时。句意: ------
凯文、你看起来很忧虑,有什么事吗?——哦,我考了一次试，现在正在等结果。故选B项。
答案B
2. Food supplies in the flood-stricken area ____ .We must act immediately before there's; none left.
A.have run out B.are running out
C.have been run out D.are being run out
解析:考查时态orun out “（被）用完，耗尽",没有被动语态，故排除C、D两项;由后句中的“before there's none let?'可知,现在粮食还有，并没有耗尽，故排除A项;run out用于进行时表示将来。句意：:洪灾区的食物供给 快要没有了，我们必须赶在食物耗尽之前行动起来。
答案B
3. Walmart,which is one of the largest American supermarket chains, ____ some of its store open 24 hours on
Mondays through Saturdays・
A.kccps B.keep
C.have kept D.had kept
解析:考查时态和主谓一致。句意:沃尔玛，美国最大的连锁超市之一，让它的一些分店从周一到周六，一天 24小时营业。由句意可知，要用一般现在时态;Walmart作主语，谓语要用单数,根据句意可知，讲的是一般 悄况，应用一般现在时。故只有A项正确。
答案:A
4.Our friendship _____ quickly over the weeks that followed・
A.had developed B.was developing
C.would develop D.developed
解析:考查时态。句意:“在接下来的几周里，我们的友谊进展迅速。”根followed可知动作发生在过去， 不表示B.took 将来或完成，故选D项。
答案:D
5. —When did the computer crash?
—This morning,while I ______ the reading materials downloaded from some websites.
A.have sorted B.was sorting
C.am sorting D.had sorted
解析:考查时态。第一句的时态是一般过去时，由此可知该空的时态应该是过去的时态，排除A项和C项； 由于''将下载的阅读材料分类''的动作不可能发生在the computer crashed之前，所以本句的时态不能是过 去完成时，排除D项。故答案为B项。
答案:B
6. After Jack had sent some e-mails, he _____ working on his project・
A.had started B.has started
C.started D.starts
解析:考查时态。句意:杰克发送了一些邮件后，开始忙自己的工作项目。根据从句中的had sent可以判断 使用过去时态，结合句意不难看出动作有先后,即先发送邮件，再开始忙自己的事情,因此主句应选用过去 时态。
答案:C
7. The manager was concerned to hear that two of his trusted workers ____ ・
A.will leave B.arc leaving
C.have left D.were leaving
解析:考查时态。句意:听到他的两个信任的工人要离开的消息，这个经理很担心。根据句中的was concerned可以判断使用过去时态。在英语中一些终止性动词如come, go, leave, aiTive等常用进行时态表 示将来的含义。故选D项。
答案:D
8. 一Did you catch what I said?
一SoiTy.I ____ a text message just now.
A.had answered B.have answered
C.would answer D.was answering
解析:考查时态。由问句“你听到我说的话了吗"可知是过去的动作;答语为“对不起。我刚才在回一条短信 息”。故用过去进行时。
答案:D
9. The president hopes that the people will be better off when he quits than when he _____ ・
A.has started B.starts
C.started D.will start
解析:考查吋态。根据句意判断“开始当总统”是过去的事情，所以应用一般过去时。
答案:C
10. ________________ The three of us around Europe for about a month last summer.
A.travelled B.have travelled
C.had travelled D.travel
解析:考查动词时态。根据时间状语last summer可知,此处用一般过去时。受for about a month的影响，该 题容易误选C项,但注意:过去的某个时间段内发生的动作通常用一般过去时。
答案:A
