问题

You’d better begin the preparations now and the most important thing is to check ______ the laboratory can be used for the tests[ ]

A: where
B: when
C: what
D: that

正确答案是：

同类题型

No wonder you caught a cold. You __________ out last night without a coat. — I know how silly I was.

It’s said that there’re plenty of hotels in that town. There ______ be any difficulty for you to find somewhere to stay today.

_____ it is raining, _____ he is still workingoutside.

They haven’t made knownwhere they are to hold the conference

The majority of visitors ______ in favor of hisconclusion that the number of books published on the subject ______ simplysurprising.