问题
I don’t know if you noticed their behaviors or not, but we______
A:were
B: have
C: had
D: did
B: have
C: had
D: did
正确答案是：
同类题型
1There are twenty-eight daysin
1 —May I open the window to let in some fresh air ?—___________
I glanced sideways and noticed that the previous author was standing silently, with his eyes on me.
Why did you leave the fan on in your roomIt’s a waste of electricity. —________
Jenny was looking for a seat when, luckily, a man _____and left.