People in ancient times ______ series of important events so that we now have what is called history.

　 A. went down　 　　 B. kept down　 　　　C. set down　 　　　 D. broke down

You should_______ (节食)and take more exercise.

I’d rather you ____ anything about it for the time being.

A.do B.didn’t do C. don’t do D. didn’t

It is imperative that you ___ on time.
A. are 　　　　　 B. will be 　　　　 C. be 　　　 D. would be

—Will you stay for lunch?

—Sorry, _____. My brother is coming to see me.

A. I mustn’t　　 B. I can’t　　　　 C. I mayn’t　　 D. I won’t

The new suspension bridge 　　　 by the end of last month.?

A.has been designed　　 B.had been designed?

C.was designed　　　　　 D.would be designed?

---Shall I give you a ride as you live so far away ?

---Thank you.______.

A It couldn’t be better　 B Of course you can C If you like D It’s up to you

The weather in those days was very bad. And _____ the football match had to be put off.

A. so                     B. so that                   C. why                  D. that

AIDS is said _________ the biggest health problem in Africa over the past years.

　 A. to be　　　　 B. that it is　 C. to have been　　 D. that it has been

—How long have these archaeologists stayed in this village?（ ）

—Not long, just ________ this Monday.

A. on　　　 B. until　　　　 C. after　　 D. since