问题

What were you doing at this time yesterday —I ______ on the grass and playing with Tony.

A:sit
B:sat
C:am sitting
D:was sitting;

正确答案是：

同类题型

Not until the heavy snow blocked the express ____ how serious the weather was.

What did you do last night?—I______________my homework but nothing else

far better for one to drink milk,________ one gets healthful nutrients, than to drink coffee, ________ containsharmful substances

Tom, what do you think of the TV show—-It’s ________. I learn a lot from it. And my mother likes it, too.

My goodness, look at the time! It’s nine o’clock already and I’m __________ at breakfast