问题

Students ______ remain in their seats until all the exam papers have been collected.[ ]
A: would
B: should
C: may
D: can
B: should
C: may
D: can
正确答案是:
同类题型
Let’s play table tennis________Tuesday morning, shall we
___________ does it take Mike to __________ home by subway
Where did you get this book?—I picked it up from a second-hand bookshop if you ______ know.
Have you read this book— Yes. But that one is ________ worthreading.
In order ________ for the meeting, I got up very early this morning.