It was not until midnight they reached the camp site.
| A．that | B．when |
| C．while | D．as |
The aging population in China will greatly _______ the whole society.
| A．effect | B．effort | C．affect | D．afford |
----Why didn’t you tell me about the meeting?
----I ______ tell you the day before yesterday. You just forget it.
| A．do | B．did | C．had to | D．must |
--- I am going to visit the Shanghai EXPO this summer. Will you come with me?
---- Thanks. I’m afraid lots of people are planning for that. I prefer to stay at home rather than___ _ there.
| A．go | B．went | C．to go | D．going |
We’d better not leave until the play ends, for the last _______ of the play is very important.
| A．scene | B．sight | C．scenery | D．view |
On a hot afternoon, the farmer ____ down under a tree and soon fell asleep..
| A．laid | B．lain | C．lied | D．lay |