They sold their house in the downtown for only 20, 000 pounds, so the buyer got a wonderful ________.

A. cost　　　　　              B. bargain　　　　      C. amount　　　　      D. value

We have to wait until the engineer comes because the machine is ______ and we don’t know what is wrong with it.

A. out of date              B. out of control           C. out of work                   D. out of order

Jack works hard and carefully, and he is thought to be a _______ young manager in our company by all of us.

A. creative                   B. sensible                    C. promising               D. talented

A few students in our class can’t concentrate on study sometimes and are ________ to listen carefully.

A. suggested                 B. expected                   C. reminded                  D. forbidden

She hoped to get a job on a newspaper and ________ she worked for The Times.

A. hopefully                 B. possibly                   C. willingly                  D. eventually

Creative thinkers try to make ________ that may seem strange at first.

A. demands                  B. distinctions               C. connections                     D. collisions

Last Saturday a large concert which was ________ by Colin Davis was held in the Poly Opera House.

A. controlled                B. managed                  C. participated                     D. conducted

I warned them not to do it, but my warning was ________.

A. put off                            B. set aside                   C. broken up                 D. left behind

 Does mass _______________ (失业) depress wages? 

We need to establish a system to control the total amount of p_______________ discharge (排放) into the key sea areas, especially chemical wastes.