----- Nội dung dịch tự động từ ảnh -----
A. finish
B. finishes
C. finished
21. When I walk past the park, I saw some children play football.
A
B
D
22. After John çaten dinner, he wrote several letters and went to bed
A
B
C
D
23. What did you do at 9 o'clock last night? I phoned you but nobody
A
13
C
D
24. When I arrived at the station, the train has already left.
A
B
C
D
25. She has disappeared three days ago, and they are still looking for he
B
C
D
D
A
26. After Mrs. Wang had returned to her house from work, she was cookin
A
B
C
27. It's the first time I saw this film
A
B
CD
28. After he graduates from university, he joined the army.
B C
D