15. Tom ______himself while he _____ the machine.

　 A. has hurt, was fixing　 B. hurts, is fixing　 　C. hurt, fixed　 D. hurt, was fixing

14. ---There is too much rain these days, isn’t there?

　 ---Yes, it _____ for a week.

　 A. had been raining　　 B. has been raining　　 C. was raining　　 D. rained

13. It ______ whether she will continue her work in the hospital.

　 A. hasn’t been decided　 B. isn’t deciding　 C. doesn’t decide　 　D. hasn’t decided

12. The police hurried to the sport only to find that the car _____ and a couple _____.

　 A. stolen, killed 　B. had been stolen, was killed 　C. was stolen, was killed　 D. had been stolen, killed

11. When I was a little boy, my father told me the earth ____ round.

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

10. I _____ letters this morning and ____ six so far.

　 A. am writing, wrote　 　B. have been writing, have written　 　C. wrote, write 　D. wrote, have written

9. Would you give John this letter if you ____ to see him next week?

　 A. happen　 B. are happening　　 C. will happen　 D. happened

8. ---Who ____ my dictionary?　

　 ---I don’t know. It _____ on your desk just now.

　 A. took, had been　 B. has taken, was　 C. has taken, has been　 D. took, is

7. We _____ to catch the 9:30 train, but ____ it was gone.

　 A. had hoped, found　 B. hope, had found 　C. hope, have found　 D. have hoped, found

6. Smith is to study physics as soon as he _____ military service.

　 A. will finish　　 B. has finished　　 C. can finish　　 D. would finish