— Can I borrow your car, Mum?— If you________. [ ]A. must B. canC. will D.

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— Can I borrow your car, Mum?
— If you________. [     ]
A. must
B. can
C. will
D. may

答案

举一反三

— I"d love to go to the party with you tonight.
— Oh, I"m sorry, there________be a party because of the coming exam.[     ]
A. mustn"t
B. needn"t
C. can"t
D. oughtn"t

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— I want someone to write the composition for me.
— No!As a student,you ________depend on yourself.[     ]
A. shall
B. will
C. can
D. may

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Nuclear________ be really dangerous at times even though it"s a nice energy in general.[     ]
A. shall
B. can
C. should
D. must

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We ________ have bought so much food now that Suzie won"t be with us for dinner.[     ]
A. may not
B. needn"t
C. can"t
D. mustn"t

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We ________the difficulty together, but why didn"t you tell me? [     ]
A. should face
B. might face
C. could have faced
D. must have faced

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