1 . Your lights will come on________you enter the door along with your favorite music or TV programs.

A．the instant

B．as soon as

C．immediately

D．All the above

2 . ________is often the case with human beings, many animals sleep a lot when young, but sleep much less when they get older.

A．Which

B．It

C．As

D．What

3 . This produced a chain reaction, ________made________possible for life to develop.

A．what; that

B．what; it

C．which; that

D．which; it

4 . Finally they arrived at a place, __________ sold cigarettes and other small articles.

A．where

B．which

C．in which

D．what

5 . Once Jason becomes interested in some topic, he can’t help thinking about it __________ he goes.

A．however

B．wherever

C．whenever

D．whomever

6 . Speak to him slowly ________ he may understand you better.

A．since

B．so that

C．so as to

D．for

7 . ________seems strange to us is ________the troublesome boy is getting along well with his teachers now.

A．It; that

B．What; whether

C．It; how

D．What; that

9 . She was grateful for everything _______ the medical and nursing team had done for her.

A．that

B．which

C．when

D．where

10 . I once lived in the house _______ windows were much larger than usual.

A．that

B．which

C．where

D．whose