--- do you surf the Internet?
--- Once a week.
| A．How often | B．How long | C．How soon | D．How many |
— Must I come at four o’clock?
— Oh, no, you ____.
| A．don’t | B．mustn’t | C．don’t have to | D．can’t |
It’s too cold .You had better ______your coat.
A:don’t take off B:not take off C:don’t put on D:not put on
-Would you mind ____ the window ?
-Of course not.I feel hot,too.
| A．not open | B．not opening. | C．opening | D．to open |
There ___a football match,next week.
| A．will have | B．is gong to be | C．have | D．is gong to have |
Father is sleeping . You’d better __________ quiet .
| A．to keep | B．keep | C．keeping | D．not keep |