You do it if you really don’t want to.A．can’tB．couldn’tC．needn’tD．mustn’t——青夏教育精英家教网—

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科目： 来源：不详 题型：单选题

You ______ do it if you really don’t want to.

A．can’t

B．couldn’t

C．needn’t

D．mustn’t

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科目： 来源：不详 题型：单选题

------Is this ruler Mary’s?
------No, it _______Mary’s. Hers is on the desk..

A．can be

B．can’t be

C．must be

D．mustn’t be

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科目： 来源：不详 题型：单选题

—Look，your father is playing the piano over there.
—He________ be my father. He has gone to Beijing.

A．mustn’t

B．can’t

C．shouldn’t

D．may not

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科目： 来源：不详 题型：单选题

I hear you've got some new Australian coins. __________ I have a look?

A．Do

B．May

C．Shall

D．Should

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科目： 来源：不详 题型：单选题

This lift __________ only hold 12 people. It’s full now. We ________ wait for some more time.

A．can; have to

B．can; may

C．may; may

D．must; can

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科目： 来源：不详 题型：单选题

----- I want to know if I _________ smoke here.
----- No, you ___________. Can’t you see the sign “NO SMOKING” there?

A．shall; won’t

B．may; mustn’t

C．can; needn’t

D．must; can’t

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科目： 来源：不详 题型：单选题

---Look at the boy running on the playground. Is it David?
---It ______ be him. I saw him go to the teachers’ office just now.

A．mustn’t

B．can’t

C．couldn’t

D．must

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科目： 来源：不详 题型：单选题

----Listen! Is Kitty in the next room?
---- No, it ______ be Kitty. She has gone to Beijing.

A．may not

B．can’t

C．mustn’t

D．needn’t

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科目： 来源：不详 题型：单选题

That man ________ be Mary’s father, as he is much taller.

A． can

B．must

C． can’t

D． mustn’t

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科目： 来源：不详 题型：单选题

He ________be at home because the light in his room is on.

A．must

B．can’t

C．can

D．mustn’t

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