【題目】You’d better ______ swimming alone. It’s very dangerous.

A. go B. to go C. not go D. don’t go

【答案】C

【解析】

試題分析：句意：你最好不要單獨(dú)游泳，這非常危險。You’d better 后面要跟動詞原形，否定句是在動詞原形前加not，所以此題選C。

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