问题

Hi, Mike．Any idea where Mary is? ——She ____ in the classroom．I saw her there just now.

A:shall be
B:should have been
C:must be
D:might have been

正确答案是：

同类题型

I’m glad that my parents have _______ of mebuying a new car.

Bill’s little brother likes to do the same things_________he does.

is known to us is that tobacco contains nicotine and other harmful products, so you should give up smoking.

________ your answers carefully before you hand in your _________ exam paper.

It is your own fault _____you are so tiredYou oughtn’t have stayed late[ ]