The bus came after I for about half an hour. A. had been waiting B. have been waiting C.

发布时间：2020-08-16 07:50:20

The bus came after I      for about half an hour.
A. had been waiting
B. have been waiting
C. have waited
D. was waiting

网友回答

(答案→)A. had been waiting
B. have been waiting
C. have waited
D. was waiting
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