问题

You were out when I went to your housethis morning.—Oh, I _______ for a friend from Englandat the airport.
A:was waiting
B:waited
C:am waiting
D:have waited
B:waited
C:am waiting
D:have waited
正确答案是:
同类题型
are you still here Everybody has gone to attend the lecture by the president.-Oh, I ____ about it!
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