We last night, but we went to the party instead.
| A．must have studied | B．might study | C．should have studied | D．would study |
Everything around us is ____ solid ..liquid ____ gas.
| A．not .. .but... | B．either.. .or... | C．neither.. .nor... | D．whether.. .or... |
It is late; ____, I'm too tired to go out.
| A．besides | B．except | C．except for | D．except that |
Mr Wang went to Nanjing ____ October,1998 and came back home ____ the morning of Nov.5.
| A．at;in | B．on;at | C．in;on | D．by;from |
We have produced 15% more cotton this year____ we did last year.
| A．as | B．than | C．like | D．white |
The teacher is busy ____ correcting papers.
| A．for | B．in | C．on | D．of |