Every possible means _____ to work out the problem, but it is too difficult for us.

　　 A. is used　　　 　　　　 B. are used　　

　　 C. has been used　　 　　 D. have been used

This is the modern hotel ________ the visitors can enjoy all good things.

A. which 　　 B. in which　 C. that　　　 D. in that

—Ann is in hospital.

—Oh, really? I ____ know. I ____ go and visit her.

A. didn’t; am going to　 B. don’t; would C. don’t; will　　 D. didn’t; will

You can’t cut down trees on this mountain. It is ______（非法的）。

The hotel offers its guests a v　　　 of services.?

I have formed a habit of　　　　 some time each day for exercise.

A.setting aside　 B.keeping up　 C.turning down　 D.leaving out

Shall I let you have my motorcar, and take your camera ______, Jack?

　 A. in return　 B. in turn　　 C. for a change　 D. in exchange

My mother insisted that I _____to school on foot.

Now that I know ______，I understand why they needed so much money.

A. what a hard life they lived

B. they led what a hard life

C. what they lived a hard life

D. how hard a life did they lead