[题目]Life is like riding a bicycle. To keep your balance.you keep moving.A. can B. mustC. can't D. mustn't 题目和参考答案——青夏教育精英家教网—

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【题目】Life is like riding a bicycle. To keep your balance，you ________ keep moving.

A. can B. must

C. can't D. mustn't

【答案】B

【解析】句意：人生就像骑自行车一样。为了保持平衡，你必须保持前进。“can”为“能”，“can’t”为“不能”，“must”表示“必须”，mustn’t，意为“禁止”，为了保持平衡，不能停下来，所以是“必须”，故填B。

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