He left the police station and went to the bar to ______ clues.
| A．look for | B．look after |
| C．look at | D．look up |
—You look pale. What’s _______ with you?
—I have _______ headache.
| A．the wrong; a | B．wrong; the | C．matter; the | D．the matter; a |
My mother often spends 2 hours ______ housework every day.
| A．do | B．does | C．doing | D．to do |
— 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 |