---Why did he let you repeat his instruction time and time again?

---____that I remember what ____after he went out.

A. To see to it; to be done　 B. Making sure ; to be done

C. To make sure; to do　　 D. Seeing to; done

It was in the lab______ was taken charge of by Professor Zhang ____ they did the experiment．

　 A．where, that　 　　　　　　　 B．which, where 　　　　　 C．that, where　 D．which, that

He is a ________person, so he will succeed.

A. talented　　　　　 B. talent　　　 C. gift　　　　　　 D.decided

She has made up her mind that she will make _____ as her sister has made.

　　A. as beautiful a kite as B. so beautiful a kite as

　　C. as a beautiful kite as D. so a beautiful kite

—Do you mind my opening the window? It’s a bit hot in here.

— _____, as a matter of fact.

A. Go ahead　 B. Yes, my pleasure C. Yes, I do　　　 D. Come on

Tom pretended______it but in fact，he knew it very well.

A.not listen to　　　　　　　　　　　　　 B.not to hear about

C.not to have heard about　　　　　　　　 D.not to be listening to

Leonardo da Vinci (1452-1519) _________________________(據(jù)說(shuō)) kept birds in cages in order to have the pleasure of setting them free. (say)

Although her relatives didn’t think she could live for three months，the old doctor finally________her of her disease.

A．cured　 　 B．operated 　 C．treated 　　　 D．served

—Have you ever heard of the new brand of computer, Miller?

—Yes, of course, but I haven’t decided whether to buy____.

A. it　 B. one　　 C. this　　　 D. that

Celia________ for two hours and feels really tired.So she wants to rest for a while.?

A.has been skating　　 B.skates　　　　　　　 C.skated　　　 D.skating