47. John is the only one of the students in the class that never______ a mistake even when it is pointed to him.

A.admit making　　　　　　 B.admits making　　　　　 C.admit to make　　　　　　 D.admits to make

46.Knowing how long the test would last,the students who finished ______ back and waited until the end of the exam.

A.settle　　　　　　　　　　　　　　　　　 B.settled　　　　　　　　　　　　　　　　 C.settling　　　　　　　　　　　　　　　　 D.to settle

45. 　The old professor told us every part of the materials should be made use of _________ the power station.

A. to build　 B. building C. build　　　 D. built

44. Hearing the news, he rushed out, _________ the book _________ on the table and disappeared into the distance.

A. left; lain open　 　　　　B. leaving; lying open　

C. leaving; lie opened　 D. left; lay opened

43. 　Both of my parents insisted _________ a computer for me, but I don’t think it is necessary.

A. to buy　　 B. buying　 C. on buying　　　 D. in buying

42. Not only should you get used _________ under difficult conditions but you also you pay more attention _________ your work well.

A. to work, to do　　　　　 B. to working, to doing　　　　 C. to work, to doing　　　 D. to working, to do

41. The purpose of new technologies is to make life easier, _________ it more difficult.

A. not make　　　　 B. not to make　　 C. not making　　　 D. do not make

40. ________ by what everyone says about him, he has a good chance of winning.

A. Judged　 B. To Judge

C. Having Judged　　　　 D. Judging

39. ________ in a heavy traffic jam in a taxi while you are hurrying to the airport is quite an unpleasant experience.

A. Having caught　　　　 B. Being caught

C. Caught D. Having been caught

38. ________ to give up smoking, he threw away his ________ cigarettes.

A. Determined; remained　　　 B. Determined; remaining

C. Determining; remained　　　 D. Determining; remaining