—Tom, it’s time that you _______your own clothes.
—I would rather you _______that for me just like before.
| A．washed; had done | B．wash; have done | C．washed; have done | D．wash; had washed |
You needn’t have ________ the speaker when he was speaking; there was enough time afterwards for you to ask questions.
| A．affected | B．disturbed | C．involved | D．interrupted |
It’s helpful to put students in a situation _______ they can learn how to cooperate with each other.
| A．that | B．when | C．where | D．which |
How I wish I _________ him the secret! I regret having done that now.
| A．hadn’t told | B．had told | C．would tell | D．didn’t tell |
—Who do you think will get the first prize? —Mary, of course. She ________ for the competition for months.
| A．is preparing | B．was preparing |
C．has been preparing | D．had been preparing |
All his time _______research on Chinese history, he has no time for outdoor activities.
| A．devoted to do | B．devoted to doing |
C．devoting to doing | D．is devoted to doing |