题目内容

You________ drink it, for it is poisonous.
A．can’tB．needn’tC．may notD．mustn’t
D
情态动词辨析. A. 不能  B.不必  C.不可以 D.禁止,一定不要.根据题意,你一定不要喝它,因为它有毒.根据语境选D,为最佳答案,表达的语气最强烈.
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