问题 选择题

Children are often warned ______ with fire.

A.not to play

B.to play

C.don’t play

D.doesn’t play

答案

答案:A

题目分析:句意:经常警告孩子们不玩火。Warn sb (not)to do sth警告某人(不)做某事,其被动语态形式是sb be warned (not)to do sth,所以选A。

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