大学英语三作业1一、动词的时态和语态1.The computer doesn’t work well,so someth

大学英语三作业1
一、动词的时态和语态
1.The computer doesn’t work well,so something ____ wrong.
A.can have gone B.should have gone C.must have gone D.ought to have gone
2.Although Jack made a foolish mistake,we ____ at him.
A.needn’t have laughed B.oughtn’t to have laughed
C.may have laughed D.couldn’t have laughed
3.I won’t be able to attend the meeting tonight because _____.
A.I must teach a class B.I teach a class
C.I will be teaching a class D.I will have been teaching a class
4.Great changes ____ in our institute in the past few years.
A.have taken place B.are taken place
C.were taken place D.had taken place
5.By this time next year,he ____ MBA program.
A.will have finished B.will finish C.should have finished D.have finished
6.So far,three hundred thousand yuan ______ for the village children to build a school.
A.is raised B.is raising C.has been raised D.has raised
7.The staff in this office ______ overtime last week.
A.were made to work B.were made work C.were making work D.had made work
8.I ____ the truth up to now—what’s the matter?
A.haven’t been told B.haven’t told C.am not told D.am not to tell
9.I hadn’t expected Mary to come to visit me but I had hoped _____.
A.her calling me B.that she would call me C.her to call me D.that she call me
10.It has been ten years since Ms.White _____ to New York.
A.has moved B.had moved C.moved D.has had moved
11.You ________ return the dictionary now.You can keep it till next week if you like.
A.can't B.mustn't C.needn't D.may not
12.The workers are not allowed to smoke in the factory.They ______ do that.
A.mustn’t B.don’t have to C.needn’t D.have to
13.—Look.That ________ be Cindy.
—No,it ________ be her.She has gone to Yunnan.
A.must,mustn't B.may,may not C.must,can't D.may,won't
14.When we got to the theatre,the play hasn't started yet,so we _________.
A.needn't hurry B.didn't need hurry C.needn't to hurry D.needn't have hurried
15.____ that each part of the brain controlled a certain activity.
A.It thought B.It is thought C.It was thinking D.It was thought
二、非谓语动词
16.Air pollution ____,this city is still a good place to live in.
A.being greatly reduced B.greatly being reduced
C.to greatly reduce D.greatly to reduce
17.Weather _____,the picnic will be held as scheduled.
A.permits B.should permit C.will permit D.permitting
18.If the building project ___ by the end of this month is delayed,the construction company will be fined.
A.being completed B.is completed C.to be completed D.completed

09秋大工大学英语3在线作业1答案
一、CBCBC BDAAD CADAA ADCBD
二、BBABD DDBBB
09秋大工大学英语3在线作业2答案
一、BBBDC DBDBA DCDBC CDDCD
二、DBADD BBDCC
09秋大工大学英语3在线作业3答案
一、CADAB ABACC CDCDC BCCBB
二、CCDDA BDCCB