The__________ that there is life on other planets in the universe has always inspired scientists to explore the outer space.
| A． |
advice |
B． |
order |
C． |
possibility |
D． |
invitation |
-I want to see Mr. White. We have an appointment.
-I'm sorry, but he is not ________ at the moment, for the meeting hasn't ended.
| A． |
busy |
B． |
active |
C． |
concerned |
D． |
available |
My room is a mess, but I __________clean it before I go out tonight. I can do it in the morning.
| A． |
daren't |
B． |
shouldn't |
C． |
needn't |
D． |
mustn't |
-Albert's birthday is on next Saturday, and I'm planning a surprise party for him.
-__________. I'll bring some wine.
| A． |
Sounds like fun |
B． |
It depends |
| C． |
Just a minute |
D． |
You are welcome |
--Going to watch the Women's Volleyball Match on Wednesday?
--_________! Will you go with me?
| A． |
You there |
B． |
You bet |
C． |
You got me |
D． |
You know better |
The disappearance of dinosaurs is not necessarily caused by astronomical incidents. But _________explanations are hard to find.
| A． |
alternative |
B． |
aggressive |
C． |
ambiguous |
D． |
apparent |