They don't allow ____ in the room.They allow him ____ outside the room.a to smoke to smoke b smoking smoking c smoking to smoke d to smoke smoking 需要详细分析

问题描述:

They don't allow ____ in the room.They allow him ____ outside the room.
a to smoke to smoke b smoking smoking c smoking to smoke d to smoke smoking 需要详细分析

c

c
allow sb to do sth允许某人做某事
allow doing sh.容许某事发生
两个不同的固定用法