You should speak to the old politely.The old____ ____ ___ ____politely.

问题描述:

You should speak to the old politely.
The old____ ____ ___ ____politely.

The old should be spoken to politely .

should be spoken to

should be spoken to
情态动词的被动语态结构:should + be + 过去分词

The old__should__ __be__ __spoken_ __to__politely