B. Had Visited
13. I........all of my homework last night
B. will finish
learning English a few years ago
A visited
C. am visiting
D. have visited
A. finish
C. have finished
De finished
14. Lan..
A. starts
B. will start
Cy started
D. is starting
15. By the time I went to bed last night, I... .my homework
A. have already finished
C. had already finished
16. There..........many significant advances in Vietnamese education recently
B. already finished
D, were already finishing
B. will be
C. had been
American more than 500 yearsago
A. are
D. have been
17. Christopher Columbus....
B. has discovered
A. discovered
C. had discovered D. had been discovering
18. My uncle wishes he....
time when he was young
D. didn't waste
A. wouldn't waste B. hadn't wasted
19."There is somebody walking behind us. I think we are. .
A. followed
20. Jack.......
A. didn't play
21. I was tired when you saw me because I.....
C. hasn't wasted
D. being following
B. being followed C. following
.chess before, so I showed him what to do
B. wasn't playing C. hadn't been played D. hadn't played
..for the exam
B have been studying
would study
A. studied
C. had been studying
Loga
Sinh Học lớp 12
