Look at the sign!It says No Smoking.You----smoke here填should

问题描述:

Look at the sign!It says No Smoking.You____smoke here填shouldn't还是mustn't
1个回答 分类:英语 2014-10-05

问题解答:

我来补答
mustn't 表示禁止,语气很强烈
shouldn't 更多用于虚拟语气句等中,也是will的否定,意思为不应该
 
 
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