Exercise 1 选择题1.If you ______me, I shall be very grateful to you .
A)helped
B)will help
C)are helping
D)will be helping
2.It _____rain tomorrow.
A)can
B)must
C)should
D)may
3."Did they blame him for his mistakes?" "Yes,but they _____so."
A)would rather not do
B)shouldn't do
C)shouldn't have done
D)had better not do
4."Did your brother break the window?" "He _____have done it.I am not sure."
A)must
B)might
C)can't
D)would not
5.Since it is already midnight,we______.
A)had better left
B)ought to have left
C)should take leave中华考试网(www．Examw。com)
D)might as well leave
6.She doesn't answer the doorbell.She _____be asleep.
A)ought to
B)might
C)can
D)must have been
7._____you be happy!
A)May
B)Can
C)Must
D)Would
8.You_____afraid of any difficulties.
A)need not to be
B)need not
C)don't need
D)need not be
9.The house is dark;the Turners_____to bed.
A)may go
B)can have gone
C)must have gone
D)must go
10.______open the door for you?
A)Would I
B)May I
C)Will I
D)Shall I
Exercise 2 辨认错误

1.They should(A)use(B) coal ,but they had to use(C) oil instead,because there remained little coal(D).
2.Harry met(A) Mr.Gree yesterday but he dare not(B) tell him that we had smashed(C) the motor-car we borrowed from him(D).
3.He confessed(A) that for months he was(B) scarely being able to(C) look at the lawyer without becoming angry(D).
4.Judging(A) by the noise that is coming from their room,I think that(B) they must(C) have(D) a party.
5.What a pity(A) we didn't know(B) about the show !We should(C) like(D) to see it.

答案：Exercise 1
1. B 2. D 3. C 4. B 5. D 6. B 7. A 8. D 9. C 10. D

Exercise 2
1. D (改为：have used）
2. B (改为：didn't dare)
3．D (删去：being)
4. C (改为：be having)
5. B (改为：have liked)

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