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A small car is big enough for a family of three　　　 you need more space for baggage.?

A.once　　　　　　　　 B.because　　　　　 C.if　　　　　　　　 D.unless

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Our son doesn’t know what to _____at the university; he can’t make up his mind about his future.　　

A. take in　　 B. take up　　　 C. take over　　 D. take after

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Only by practicing a few hours every day _____ be able to improve your English.

A. you can 　　　 B. can you　 C. you will　　　 D. will you

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Without electricity human life _____ quite different today.

A. is B. will be C. would have been D. would be

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While watching TV, _______.

A. the doorbell rang　　　　　　　　B. the doorbell rings

C. we heard the doorbell ring　　　　 D. we heard the doorbell rings

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We had poor food, but ________， we enjoyed our stay there.

　 A．a(chǎn)fter a while　　　　　　　B．in total

C．on the whole　 D．on average

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________ he comes, we won’t he able to go.

A. Without　　　　B. Unless　　　　 C. Except　　　　 D. Even

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Mary is not poor and she is not eligible for an a______.

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You should tell the manufacture that the design of the furniture _____ meet the need of customers, or their products will not sell well.

A.must B. shall C. may D. need

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Some biologists believe this is an ancient survival strategy, _______ a diet with 30 percent fewer calories than usual increased life span.

A. for which　　　　　　B. to which　　 C. of which　　　 D. in which

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