As is natural , a man as old as he ______ be very forgetful.

　　A.can 　　　　B.should 　　　　C.would 　　　　D.must

Only when your identity has been checked ____________.

A. you are allowed in　　　　　　　 B. you ’ll be allowed in

C. will you allow in　　　　　　　　 D. will you be allowed in

We thought it was going to rain. _________, it began to clear up.

A. In addition 　　　　 B. On the contrary 　　 C. By contrast 　 D. In conclusion

--The room is SO dirty．________we clean it?
--0f course．
A．Will B．Shall C．Would D．Do

Mind your steps. You may t _____ over the brick.

Having been ill for several days, I must work hard to 　　　 the missed lessons.

A. make up of　 　　　　 B. look up to　 C. make up for　 D. come up with　

D

________ Mr.Smith is well again，he can go on with his work.

A．Now and then 　 B．Now that

C．The other day 　　　 D．Now just

— How long do you think it will be　　　　　 China sends a manned spaceship to the moon??

— Perhaps two or three years.?

A.when　　　　　　　 B.until?　　　　　 C.that　　　　　　　 D.before

There were 　　passengers waiting at the bus stop.

A、two scores　　　 B、two scores of　　 C、scores　　　 D、two score of