问题
选择题
—You were out when I dropped by your house.
—Oh, I for a friend from England at the airport.
[ ]
A. was waiting
B. had waited
C. am waiting
D. have waited
答案
A
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—You were out when I dropped by your house.
—Oh, I for a friend from England at the airport.
A. was waiting
B. had waited
C. am waiting
D. have waited
A