The room is in a terrible mess; it ________have been cleaned.
| A．can’t | B．mustn’t | C．shouldn’t | D．wouldn’t |
--How can I make progress in my study, Sir?
--_______ an effective leaner, you should find some good approaches.
| A．Being | B．Having been |
| C．To have been | D．To be. |
—Excuse me , Victor, but I have a favor to ask of you
---_____
| A．Ask , please | B．My please |
| C．Go ahead | D．Good for you |
---where’s Mom?
-----She’s in the kitchen. She _____the housework all morning
| A．is doing | B．was doing |
| C．did | D．has been doing |
His new movie moved all audience to tears, _____to mind another moving one about war and love
| A．to call | B．calling |
| C．called | D．being called |
It was from only a few supplies that she had bought in the village __________ the hostess cooked such a nice dinner .
| A．that | B．where |
| C．which | D．when |