11. What _______ Annie ____ by the time he was ten?
A. did, do B. did, did C. has, done D. had done
12 .He __ in the factory for three years before he joined the Army.
A. has worked B. works C. had worked D. will work
13. By the end of last week, they ____ the bridge.
A. has completed B. completed C. will complete D. had completed
14. Ben hates playing _____ violin, but he likes playing ____ football.
A. a…the B. the… the C. / …the D. the…/
15. By the time he was 4, he _____ a lot of German words.
A. had learned B. has learned C. learned D. learns
16 .Jim turned off the lights and then _____ the classroom.
A. was left B. had left C. has left D. left
17.They _________ in Guangzhou since 2000.
A. lived B. had lived C. have lived D. were living
18. The train from Beijing_______ ten minutes ago.
A. has arrived B. was arriving C. arrived D. had arrived
19. The students _________ their classroom when the visitors arrived.
A . have cleaned B. had cleaned C. was cleaned D. have been cleaned
20. Fergie_______ the project in one hour.
A. have finished B. will finish C. finishes D. has finished