题目内容
—You were out when I dropped in at your house.
—Oh, I for a friend from England at the airport.
A. was waiting B. had waited
C. am waiting D. has waited
练习册系列答案
相关题目
题目内容
—You were out when I dropped in at your house.
—Oh, I for a friend from England at the airport.
A. was waiting B. had waited
C. am waiting D. has waited