题目内容
—You were not in when I went to you yesterday.
—Oh, I _____ for a friend from England at the airport at that moment.
A. had waited B. was waiting C. am waiting D. have waited
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题目内容
—You were not in when I went to you yesterday.
—Oh, I _____ for a friend from England at the airport at that moment.
A. had waited B. was waiting C. am waiting D. have waited