问题

surprise, my good friend _________stay up to study to prepare for the next important exams organized by tenfamous high schools.

A:should
B:may
C:must
D:can

正确答案是：

同类题型

Medicine shouldn’t be kept where it is _____ tochildren.

—What’s the matter with Philips?—Something must have happened to him. He left home three hours ago, but ________ at the party!

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There are a lot of sights in the USA. I’ll go there in a month.—When you are there, you can see .

It’s necessary for you _____ exercise every day.