If you had joined the chat room ten minutes ago, you _____ what we were talking about.
| A．will know | B．are knowing | C．can know | D．would have known |
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 |
How can you expect to learn anything _____ you never listen?
| A．in case | B．even if | C．unless | D．when |