It _____ be the postman at the door. It"s only six o"clock.[ ]A. mustn"t B.

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It _____ be the postman at the door. It"s only six o"clock.[ ]
A. mustn"t
B. can"t
C. won"t
D. needn"t

答案

举一反三

If you ____ go, at least wait until the storm is over. [ ]
A. can
B. may
C. must
D. will

题型：辽宁省高考真题难度：| 查看答案

— They _____ have prepared for the meeting more carefully.
— But they didn"t. What a pity![ ]
A. shouldn"t
B. can"t
C. may
D. ought to

题型：同步题难度：| 查看答案

I wonder how he _____ that to the teacher.[ ]
A. dare to say
B. dare saying
C. not dare say
D. dared say

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改错题。1. — Must I finish the paper today?
    — No, you mustn"t. You can finish it tomorrow.
    ____________________________________________
2. You don"t have to get close to the tiger. It"s dangerous.
    ____________________________________________
3. He was made work day and night by the boss.
    ____________________________________________
4. We made him the head of our group.
    ____________________________________________
5. The two people have fallen in love with each other for years.
    ____________________________________________

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Peter _____ be really difficult at times even though he"s a nice person in general.

[ ]

A. shall
B. should
C. can
D. must

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