15. Jack ____ over five lessons by seven o’clock. Then he ____ a rest.

A. went…took B. went…had taken C. had gone…took D. had gone…had taken

14. By the time I _____ back they ____ up ten satellites.

A. came…have sent B. came…had sent C. come…have sent D. had come…sent

13.He ________ the Army by the end of 1989. He ______ in the army since then.

A. joined…is B. has joined…has been C. had joined…is D. had joined …has been

12. My brother ____college for over three years.

A. has gone to B. has been to C. has been in D. has been at

11. _____ you ever _____ America ? Yes, I have.

A. Have…gone to B. Have…gone in C. Have…been to D. Have …been in

10. I _______ the way. I ________ here for quite many years.

A. knew…have lived C. knew…live C. know…have lived D. know…live

9.______ the baby still _____ ? No, it _______ crying.

A. Has…cried…has stopped B. Is…crying…stopped C. Did …cry…stopped D. Is…crying…has stopped

8.Where ______ John _______ ? To the library. He _________ there for an hour.

A. has…been…has gone B. has…gone…has been C. did…go…went D. did…be…went

7.You ____ me waiting for two hours. I ____ for you since five.

A. kept…waited B. have kept…waited C. kept…have waited D. have kept…have waited

6. ______you __________ the film before ? Where _____ you ____ it ?

A. Have …seen…did…see B. Did …see…did…watch

C. Have…seen…have…seen D. Did …see…have…seen