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单项选择题

You ______ your own sandwiches. I have enough for two.

A. couldn't have brought
B. shouldn't have brought
C. mustn't have brought
D. needn't have brought
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单项选择题By the end of next week, we ______ thirty kilometers.

A. have traveled
B. had traveled
C. had been traveling
D. shall have been traveling

单项选择题In no way ______ the amount of heat.

A. the temperature equals
B. does the temperature equal
C. the temperature equal
D. does the temperature equals