问题
选择题
—I'm sorry to keep you waiting.
—Oh, not at all. I ______ here for only a few minutes. [ ]
A. was
B. have been
C. will be
D. am
答案
答案：B
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—I'm sorry to keep you waiting.
—Oh, not at all. I ______ here for only a few minutes. [ ]
A. was
B. have been
C. will be
D. am
答案：B