题目内容

18.  You    trust an online shop just because it has a beautifully designed website.

A. shouldn't    B. mustn't

C. couldn't     D. needn't

18.   A考查情态动词。句意:你不应该因为网上商店有设计漂亮的网站而相信它。shouldn't不应该;mustn't禁止; couldn't不可能 ;needn't不必。

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