It is vital that every piece of equipment ________ before the experiment.
#87434
A
is checked
B
will be checked
C
be checked
D
must be checked
推荐题目
The workers demanded that their employer_____ their working conditions.
#86737
A
had improved
B
would improve
C
improve
D
will improve
I asked he ______ too much time watching TV, for he will sit for an exam.
#86749
A
not spend
B
not to spend
C
didn't spend
D
not spending
The sleeping baby would be scared _______ a sudden loud noise.
#86894
A
was there
B
there was
C
should there be
D
there should be
I didn’t see her in the meeting room this morning. She ______ have spoken at the meeting.
#89550
A
mustn’t
B
shouldn’t
C
needn’t
D
couldn’t
—Have you decided where to spend your summer holiday?—Not yet. We _________ go to Qingdao.
#87608
A
must
B
should
C
need
D
may