1.There is someone knocking at the door.Who__________it be?

1.There is someone knocking at the door.Who__________it be?
A.can
B.may
C.must
D.will
2.Where __________ they __________ their feet on yesterday?
A.would… settle
B.might … settle
C.had to … settle
D.ought to… settle
3.--"Must I call for you at 7:00 p.m."
--"No,you___________."
A.mustn't
B.can’t
C.needn’t
D.haven't
4.How____________so?
A.dare you to say
B.dare you say
C.do you dare say
D.dare to say
5.___________you type this for me?
A.Do
B.Shall
C.Will
D.Must
6.You___________heart．
A.should lose
B.oughtn’t to lose
C.Should be lost
D.oughtn’t to be lost
7.I think that you had better____________earlier.
A.start getting up
B.to get up
C.to start to get up
D.started getting up
8.I believe he___ an accident,otherwise he would have arrived on time.
A.would have had
B.could have had
C.should have had
D.must have had
9.You can rely on him．He____________manage to find a way out．
A.might
B.must
C.shall
D.need
10.The whole family___________sit around and talk about their problems so that they could understand each other better．
A.dare
B.might
C.shall
D.need
11.Mr Li__________be in Beijing because I saw him in town only a few minutes ago.
A.mustn't
B.can't
C.may not
D.isn't able to
12.The plan__________．
A.might not have been canceled
B.might have been canceled
C.might not have canceled
D.might have canceled
13.Lincoln said that slavery___________be abolished in order to reunite the country．
A.shall
B.need
C.can
D.must
14.--"They have changed the programme without notice．"
--"That’s a pity.____________yesterday’s football match．"
A.I like to see
B.I liked seeing
C.I’d like seeing
D.I’d like to have seen
15.I suppose that the engineer_____________the old machine．
A.will be repairing
B.must be repairing
C.can be repairing
D.should be repairing
16.Since the ground is wet,it_____________last night．
A.should have rained
B.has rained
C.must rain
D.must have rained
17.After her son's death,the old lady___________often sit at the window,deep in thought.
A.would
B.should
C.could
D.might
18.__________ you come and have a little whisky?
A.Won’t
B.Wouldn’t
C.Don’t
D.Will
19.He___________the question raised by the speaker．
A.could not have understood
B.could not be understood
C.ought not to have understood
D.would not have understood
20.I told Sally how to get there,but perhaps I______ for her.
A.had to write it out
B.must have written it out
C.ought to write it out
D.should have written it out