When he the door, he found his keys were nowhere.
| A．would open | B．opened | C．had opened | D．was to open |
---May I have a word with you? ---______. I'm not busy, anyway.
| A．By no means | B．By all means | C．By means of | D．By any means |
The experts suggested the problem worth paying attention _____ at the meeting.
| A．to be discussed | B．to been discussed |
| C．being discussed | D．should be discussed |
I wrote him a letter to show my _____ of his thoughtfulness.
| A．achievement | B．agreement | C．attention | D．appreciation |
_____ got on the train when it began to move.
| A．No sooner had I | B．I had no sooner | C．Hardly had I | D．I hardly had |
---When did you move to Beijing? ---Last year. But I _____ in a school in Japan for 8 years.
| A．has taught | B．taught | C．has been taught | D．has been teaching |