He has been selling motorcycles...

----- Nội dung dịch tự động từ ảnh -----
Exercise 1
2. He has been selling motorcycles...
A. ten years ago
B. since ten years
C. for ten years ago
D. for ten years
3. Columbus............America more then 400 years ago.
A. discovered
B. has discovered
C. had discovered
D. he has gone
4. He fell down when he ............towards the church.
A. run
B. runs
C. was running
D. had run
5. We ............there when our father died.
A. still lived
B. lived still
C. was still living
D. were still living
8. I............in the room now.
A. am being
B. was being
C. have been being
D. am
9. I.............to New York three times this year.
A. have been
B. was
C. were
D. had been
12. John ............a book when I saw him.
A. is reading
B. read
C. was reading
D. reading
14. Jack.............the door.
A. has just opened
B. open
C. will have opened
D. opening
15. I have been waiting for you...............
A. since early morning
B. since 9 a.m
C. for two hours
D. all are correct