Since he __________ here no one __________ him.
A. has left/ saw
B. had left/ saw
C. left/ has seen
D. left/ have seen
Chọn đáp án C
A: Do you know our town at all?
B: No. It is the first time I __________ here.
A: Who’s that pretty girl Tom dancing with?
B: I don’t know. I __________ her before.
A: I’m sorry to keep you waiting.
B: Oh, not at all. I __________ here only a few minutes.