You must do something to help your friend.(改成否定句)

问题描述:

You must do something to help your friend.(改成否定句)
You ____ _____ _____ to help your friend.
1个回答 分类:英语 2014-11-07

问题解答:

我来补答
needn't do anything ,must提问,不能用must回答.
 
 
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