People ______ at the meeting would have a discussion on pollution.
| A．were present | B．took part in | C．join in | D．present. |
I go to bed when I heard someone knocking at the door.
| A．was about to | B．had just to |
| C．would | D．would like to |
If you want to talk with the manager, you have to wait for twenty minutes.
| A．another | B．other |
| C．others | D．the other |
Recent scientific evidence seems to indicate that this is incorrect.
| A．reflection | B．reputation |
| C．appreciation | D．assumption |
Maybe if I science, and not literature then, I would be able to give you more help.
| A．studied | B．would study |
| C．had studied | D．was studying |
Oh, I’m not feeling well in the stomach. I so much fried chicken just now.
| A．shouldn’t eat | B．mustn’t have eaten |
| C．shouldn’t have eaten | D．mustn’t eat |