----- Nội dung dịch tự động từ ảnh -----
15: After he ......his work, he went straight home.
A. would finish
B. has finished
C. had finished
injured in the accident last night, weren't they?
D. are
C. is
16: Everyone in both cars_
A. was
B. were
17: Jenny. "Was Linda asleep when you came home?"
9.
Jack: "No. She TV."
A watched
B. had watched
C. was watching
D,, has been watchin
18: My grandfather will retire from work next month. Now he ......for the same company for 40 year
B. has been working
A. was working
C. has worked
D. had
19: .......TV for the last four hours? Turn it off and get some exercise.
B. Are you watching
D. Have you been watching
D. has been finishing
A. Do you watch
C. Did you watch
20. Mr. Nam_........in the army from 1970 to 1980.
A. has served
B,, had been serving C. had served
D. served
21: For the last 20 years, we.....significant changes in the world of science and technology.
A. witness
B. have witnessed
C. witnessed
D. are witnessing