I want to buy a computer, but there is only one left in that shop, so I'll have to buy ______.

　　　　A. one　　　　　　B. it　　　　　　C. that　　　　　　D. them

I hate ______ their complains all day. one of these days I’ll tell them what I really think.

　 A. paying attention to 　 B. to talk about

　 C. listening to 　 D. to have heard?

— When shall we go to visit her ?

　　—Take your time. I’ll ____ you at your office then.

　　A. call B. call on C. call at D. call for

He came to my class every week, but his attitude ________ he was not really interested in the subject.

A. expressed　 B. described　 C. explained　 D. suggested

_______________________________(只要你接受我们的条件)，we’ll start working immediately.(condition)

There is still a lot of time to go. You ___ hurry.

A. mustn’t　　　 B. wouldn’t　　　　 C. may not　　　 D. don’t have to

—What’s your opinion about my suggestion?

—Sorry，I________.Would you please say it again?

A．hadn’t listened B．wouldn’t listen

C．wasn’t listening D．didn’t listen

Oh, boy, why are you killing your time this way? Can’t you find something ________ doing?

A. useful     　  B. deserve       　 C. valuable   　　 D. worth