问题
Lucy, what were you doing at nine last night—I ___________ the piano. I usually practice the piano at that time.
A:play
B:played
C:was playing
D:am playing;
B:played
C:was playing
D:am playing;
正确答案是：
同类题型
The company has been ______ from a family business into one with 5000 workforce. [ ]
It is good manners to eat up_______is left in your plate.
We want _______ the actor. We like him very much.
Long time no see! I think you a lot.— Yes. I used to be quiet, but now I’m outgoing.
Not just I but also Tom and Mary _____ fond of watching television.[ ]