1. If you really want yourself to be in good health, you must ____ always ____ so much.

　　A. not, be smoking

　　B. not, have smoked

　　C. not, to smoke

　　D. be not, smoke

　　2. ----I _____ here three days ago.

　　----What ______ these days?

　　A. got, did you do

　　B. have got, have you done

　　C. had got, will you do

　　D. got, have you been doing

　　3. ----Was the driving pleasant when you spent your holidays in Mexico last summer?

　　----No, it ____ for four days when we arrived, so the roads were very muddy.

　　A. was raining

　　B. would be raining

　　C. had been raining

　　D. have rained

　　4. You should not go anywhere. The train_____.

　　A. will leave

　　B. is leaving

　　C. leaves

　　D. is to leave

　　5. According to the time table, the plane for Shanghai ____ at seven.

　　A. leaves

　　B. has left

　　C. left

　　D. will leave

　　6. ----Why didn’t you go to the cinema yesterday?

　　----I _____, but my wife returned home from New York the moment I was leaving.

　　A. was going

　　B. was going to

　　C. went

　　D. had gone

　　7. ----Has Toms finished his homework yet?

　　----Yes, he ____ it by lunch time.

　　A. finished

　　B. will finish

　　C. had finished

　　D. has finished

　　8. No sooner had the thief seen the policeman than he ____ to his heels(逃走).

　　A. was taking

　　B. took

　　C. has taken

　　D. had taken

　　9. Don’t worry. If he said he ____ help you, he will.

　　A. shall

　　B. will

　　C. would

　　D. ought

　　10. There ____ a lot of changes here in the last twenty years.

　　A. have been

　　B. have had

　　C. had been

　　D. will have