How many books __________ you __________ ?
A. did / read
B. have / read
C. has / read
D. had / read
Chọn đáp án B
A: Do you know our town at all?
B: No. It is the first time I __________ here.
A: I’m sorry to keep you waiting.
B: Oh, not at all. I __________ here only a few minutes.
A: How are you today?
B: Oh, I __________ as ill as I do now for a very long time.