1. The thieves easily walked in because someone ______________ locking the door. A. had forgot B. will forget C. has forgot D. forgets 2. We _______________ TV when the light suddenly went out. A. have watched B. will watch C. are watching D. were watching 3. English is ____________ in many parts of the world. A. spoke B. speaking C. spoken D. speak 4. This pagoda looks so old. When __________ it built? A. has been B. was C. is D. had been 5. We will wait until he _________________ . A. came B. comes C. is coming D. has come 6. Hoa has ____________ in this factory for many years. A. worked B. works C. working D. work 7. They __________________ dinner and discussed the problem at the same time. A. ate B. eat C. have eaten D. were eating 8. -" Who repaired the bicycle last night? -" John ______________ ." A. was B. had C. did D. repaired 9. When they met again, they __________________ each other for 10 years. A. won't see B. hadn't seen C. don't see D. haven't seen 10. Lan _____________ dinner at 6:00 pm yesterday. A. was cooking B. had cooked C. cooks D. has cooked 11. For the past two months we ________________ a lot of things. A. had learned B. learn C. have learned D. learned 12. I had never seen any of Picasso's paintings before I ___________ the art museum. A. visit B. visited C. had visited D. have visited 13. She regretted to tell him that she __________ the tickets at home. A. has left B. was leaving C. had left D. leaves 14. Hue is the nicest city I _________________ to. A. will ever been B. have ever been C. had ever been D. was ever been 15. Hao: " Who is going with you on your holiday?" Hoa: " I ________________ myself. A. have gone B. went C. am going D. had gone 16. They _____________ to the south since last month. A. go B. were going C. have gone D. went 17. " Where is Helen?" - " Downstairs, sir. She ______________ the guests." A. had greeted B. was greeting C. is greeting D. greeted 18. He would pass the driving test if he ____________ well. A. drives B. will drive C. had driven D. could drive 19. If we______________ out other sources of energy, our present ones wouldn't run out of. A. will find B. had found C. could find D. find 20. If you work hard, you will eventually _________ . A. succeeding B. succeed C. to succeed D. succeeded 21. What were you ___________ at 8:00 last night? A. do B. doing C. done D. did 22. By the time he arrived, all his classmates _______________. A. already goes B. had already gone C. already go D. has already gone 23. When I came, the room was in a terrible mess because someone ____________ in. A. has broken B. had broken C. was breaking D. breaks 24. If he ___________ harder, he could have passed the final exam. A. has worked B. had worked C. works D. worked 25. James Watt _________ the steam engine hundreds of years ago. A. invented B. invents C. was inventing D. has invented 26. If they ___________ raincoats with them, they would not have got wet. A. take B. were taking C. had taken D. took