I'm looking for Paul. _________ him?
A. did you see
B. have you seen
C. had you seen
D. were you see
查看答案
Mary __________ for me when I ______
A. was waiting, arrived
B. has been waiting, arrived
C. has waited, arrived
D. was waiting, was arrived
A: __________ to the United States? B: No, never.
A. did you go
B. had you been
C. have you gone
D. have you been
A: How did the accident happen? B: I _______________ too fast and couldn't stop in time.
A. went
B. had gone
C. has gone
D. was going
A: I can't talk to you right now. You can see I'm very busy. B: OK. ____________ back in about half an hour.
A. I'll be
B. I am going to be
C. I will have been
D. I am