问题

Have you found out anything, sir?—We are sure that the thief entered the house through the window instead of breaking in. Youhave closed the window before you left.

A:shouldn’t
B:must
C:couldn’t
D:might

正确答案是：

同类题型

Last night it took Lucy _______ hour to learn a new song.

Let the dog loose so that it_____have arun.

When do you have __________to help me with my English I am reading the Encyclopaedia Britannica, but it is too difficult for me! –You can come to me ___________!

He’salready ridden the horse before ,______

I’m worried about tomorrow’s English exam.—-___________. I’m sure you will make it.