问题

You were out when I went to your house this morning. —Oh, I _______ for a friend from England at 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
In the last two years the workers______ many tall building.
What is he going to_____ when he ____up?—He’s going to be a doctor.
Do you have plenty of friends in your school?
Linda’s father hates waiting in long lines. I think he’s very _______.
My father has decided to ________ smoking.—That’s good news for us.