When do you finish your classes?______ 4:30 P.M..

问题描述:

When do you finish your classes?______ 4:30 P.M..
Every day I can play computer games____ one hour.

When do you finish your classes?( At) 4:30 P.M..
时刻前用AT
Every day I can play computer games( for ) one hour.
表示一段时间用FOR