So far, Teddy __________ ten kilos.
A. has been losing
B. lost
C. had lost
D. has lost
Chọn đáp án D
A: How are you today?
B: Oh, I __________ as ill as I do now for a very long time.
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.