4. By the time the police arrived, the thieves_____ away. A. have gone B. went C. were going D. had gone 5. When I ___________ at the station, the train had left 5 minutes before. A. had arrived B. was arriving C. arrived D. will arrive 6. Alex _______ four languages up to now. A. has learnt B. is learning C. will learn D. had learnt 7. He _______ working for this company five years ago. A. began B. has begun C. will begin D. begins 8. He _______ his grandma in Birmingham last week. A. has visited B. visits C. visited D. will visit 9. Kevin _______ at that high school from 1998 to 2001. A. studies B. has studied C. was studied D. studied 10. Where is your father? He ____________ his old bike in the backyard. A. has repaired B. was repaired C. is repairing D. had repaired 11. When I last saw him, he _____ in London. A. has lived B. is living C. was living D. has been living 12. We _______ Dorothy since last Saturday. A. don’t see B. haven’t seen C. didn’t see D. hadn’t seen 13. The train ______ half an hour ago. A. has been leaving B. left C. has left D. had left 14. I saw John yesterday morning while I _______ home from work. A. walked B. am walking C. was walking D. had been walking 15. My sister ________ for you since yesterday. A. is looking B. was looking C. has been looking D. looked