--- What do you think of my suggestion?
--- I’m sorry. Er… I _______ about something else.
| A．thought | B．am thinking | C．was thinking | D．had thought |
In order to finish the research, the professor always _______, for every day the light in hisroom didn’t go out until 4 a.m.
| A．mixed up | B．cleaned up | C．turned up | D．stayed up |
I haven’t been home to see my parents for two weeks; I _______ them.
| A．can’t wait see | B．can’t wait to see |
| C．can wait for | D．couldn’t wait for |
I regret __________ you that we’ll have to stop the sports meeting because of the bad weather.
| A．telling | B．to tell | C．having told | D．to have told |
Tom, could you ________ your CD player a little bit? Dad is sleeping now.
| A．turn on | B．turn off | C．turn up | D．turn down |
The weight-loss pills really ______ and she is becoming slimmer and slimmer.
| A．works | B．work | C．is working | D．has worked |