Don’t get off the bus until it __________
A. has stopped
B. stopped
C. will stop
D. shall stop
Chọn đáp án A
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: How are you today?
B: Oh, I __________ as ill as I do now for a very long time.