children must be taught to act with good maners when ____
问题描述：
children must be taught to act with good maners when ____
A.spoken to
B.speaking to
C.are speaking
D.spoken of
选什么,怎么翻译?
答
选A
children must be taught to act with good maners when (they are )spoken to.
这句句子实际上省略了they are,补充上去后就可以知道应该选be spoken to 孩子们在别人对他们说话的时候应该行为端正.