问题

Someone is knocking at the door.- It ______ be Tom. He is still in the school.

A:can’t
B:mustn’t
C:couldnot
D:might; not

正确答案是：

标签： door , knocking , someone

同类题型

How long ___ to finish the work ?

It has to be a place __________ wecan do lots of outdoor activities.[ ]

Her uncle likes playing basketball, he oftenit on Sundays, but now he .

Can you see________?

There is “f” and “d” in the word “food”.