问题

We should go out and stretch our legs. We ____ all day. [ ]

A: had sat
B: have been sitting
C: have sat
D: was sitting

正确答案是：

同类题型

Sorry, I have to _________ now． It is time for class． — OK, I’ll call back later．

The president wanted to _______ him aboutfilling the post of the sales department.

How did you know the surprising news—– I happened _______ the event then.

Never before______ so highly successful in his attempts to forecast the weather accurately on a small scale．

_________ she can’t find her keys? She’ll be locked out all night. —You are right. I’d better call her to check if she’s OK. [ ]