用括号里所给动词的适当形式填空。
You’d better (not run) after supper. It’s bad for your health.
Didn’t your teacher tell you that light (travel) faster than sound?
Not only Jim but also his sister (visit) a few cities in the south since they came.
Please knock at the door before (enter) the room.
We are looking forward to the Spring Festival Gala (direct) by Feng Xiaogang.