7. Susan _____________as a secretary for 2 years before her marriage. a. worked b. has been working c. has worked d. was working 8. When I got home, I found that water ____________ down the kitchen walls. a. ran b. was running c. has run d. has been running 9. After he _________ his English course, he went to England to continue his study. a. has finished b. had finished c. was finished d. would finish 10. I _________ with children before, so I know what to expect in my new job. a. worked b. have worked c. had worked d. have been working 11. How ___________ since we ___________college? a. are you - left b. were you - left c. have you been - have left d. have you been - left