51.　 I called Hnnah many times yesterday evening, but I couldn’t get through. Her brother _____on the phone all the time!

A.　 was talking　 B. has been talking C. has talked　 D. talked

50.　 Teenagers　 　　　　their health because they play computer games too much.

A. have damaged　 B. are damaging　 C. damaged　 D. will damage

49.　 He 　　　　as a national hero for winning the first gold medal for his country in the Olympics.

A. regarded 　B. was regarded　 C. has regarded　 D. had been regarded

48.　 Judy is going to marry the sailor she 　　　in Rome last year.

A. meets　　　　　 B. met

C. has met　　　　 D. would meet

47.　 –What’s that noise?

–Oh, I forgot to tell you. The new machine ______.

A. was tested 　B. will be tested　 C. is being tested 　D. has been tested

46.　 I don’t believe you’ve already finished reading the book - I ______it to you this morning!

A. would lend　 B. was lending　　 C. had lent　　 D. lent

45.　 The telephone _______, but by the time I got indoors, it stopped.

A. had rung　　　　 　　　　 B. was ringing　　　 　　　　　 C. rings　　　 　　　　　　 D. has rung

44.　 In recent years many football clubs ______ as business to make a profit.

A. have run 　　　　　　　　 B. have been run 　　　　　 C had been run 　　　　　　 D. will run

43.　 In recent years many football clubs ______ as business to make a profit.

A. have run 　　　　　　　　 B. have been run 　　　　　 C had been run 　　　　　　 D. will run

42.　 Though we don’t know what was discussed, yet we can feel the topic_____.

A. had changed　　　　 B. will change　　　 C. was changed　 D. has been changed