The price system is a complex network composed of the prices of all the products bought and sold in the economy as well as        of a great number of services.

A. the one        B. that           C. ones          D. those

Their room was on the first floor, its broad window _______ the central park.

A. overlooking     B. overlooks      C. to overlook     D. being overlooking

I was close to being killed the day before yesterday. A truck passed me at ______ I thought was a crazy speed.

A. as            B. which          C. what           D. that

 —Are you pleased with what he has done?

—It couldn’t be ________ . Why didn’t he put more effort into his work?

A. any worse       B. much better      C. so bad          D. the best

—What were you trying to prove to the police?

—       I was last night.

A. That                  B. When        C. Where        D. What

We are looking forward to ______ another chance ______ it again.

A. be given; to try        B. give; to try      

C. giving; trying  D. having; to try

 —Where have you been recently?

   —I ________ in Hangzhou on business for a week last month.

   A. have been    B. had gone   C. had been　 D. was

______ your composition carefully, some spelling mistakes can be avoided.

A. Having checked B. If you check   

C. Check          D. To check

At the foot of the mountain ________.

   A. a village lie                                     B. lies a village  

C. does a village lie                              D.lying a village

 America has more than fifty states, ______, Kentucky, is the place _______ Abraham Lincoln was born.

A. one of it; where       B. one of which; where

C. one of that; which    D. one of which; which