Question

Children are often warned ______ with fire.

A．not to play

B．to play

C．don’t play

D．doesn’t play

Answer 1

A

试题分析：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。