---I’m sure Andrew will win the first prize in the final.
---I think so. He _____ for it months.
| A．is preparing | B．has been preparing | C．was preparing | D．had been preparing |
—Look! Somebody ______the blackboard．
—Well, it wasn't me．I didn't do it．
| A．is cleaning | B．was cleaning |
| C．had cleaned | D．has cleaned |
When I called you this morning, nobody answered the phone, ?
| A．where were you | B．where did you go |
| C．where have you been | D．where have you gone |
“The moment ______ soon,” he thought to himself, waiting nervously.
| A．is coming | B．was coming | C．came | D．has come |
Our new English teacher, who is said to have moved back to China, ______ in America for almost ten years.
| A．lived | B．has lived | C．was living | D．had lived |
--- What attracted you to our university?
--- You have a great basketball team and I can _______ for it.
| A．work out | B．look out | C．try out | D．carry out |
It’s the third time he _________with her in a week.
| A．had quarreled | B．quarreled | C．has quarreled | D．quarreling |
—Pity that I haven’t got a ticket for the concert tonight.
—It doesn’t matter. I’m sure it _______ on TV.
| A．will be broadcast | B．will broadcast |
| C．has been broadcast | D．is broadcasting |
— The room is dirty.
— I know. It ______ for several weeks.
| A．hasn’t cleaned | B．didn’t clean | C．wasn’t cleaned | D．hasn’t been cleaned |
The letters for the boss ______ on his desk but he didn’t read them until three days later.
| A．was put | B．put | C．has put | D．were put |