2.Although Jack made a foolish mistake,we ____ at him.

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