— I'm sorry to keep you waiting. — Oh, n
题型:选择题
问题:
— I'm sorry to keep you waiting.
— Oh, not at all. I here for only a few minutes. [ ]
A. was
B. is
C. have been
D. had been
— I'm sorry to keep you waiting.
— Oh, not at all. I here for only a few minutes. [ ]
A. was
B. is
C. have been
D. had been