摘要： sweep

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––Could I sweep the floor later? I want to do my homework first.

––Yes, _______.

A. you can B. you may C. you could D. you should

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––Could I sweep the floor later? I want to do my homework first.
––Yes, _______.

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—Must I sweep the floor now, Miss Jackson?
—No, you __________. You can do your homework first.

A．can’t	B．mustn’t
C．needn’t	D．shouldn’t

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---Could I sweep the floor later? I want to do my homework first.
---Yes, ______.

A.
you can
B.
you may
C.
you could
D.
you should

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—Could you sweep the floor?
—_____ I have to do my homework.

A. Yes, sure.
B. Why not?
C. Sorry, you can't.
D. Sorry, I can't.

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