Emergency line operators _______ always stay calm and make sure that they get all the information they need to send help.
#87182
A
can
B
would
C
must
D
might
推荐题目
It rained a lot during their journey,so they _______ have had a good time.
#89808
A
can’t
B
must
C
shouldn’t
D
might
You ________ pay too much attention to your reading skill, as it is so important.
#86583
A
can't
B
shouldn't
C
mustn't
D
needn't
I wrote a letter to John for his help during my high school years，without which I ________ the college entrance exam.
#86497
A
would fail
B
would have failed
C
should fail
D
must have failed
—Where have you been?—I in the heavy traffic. Otherwise I here earlier.
#87449
A
got stuck; would have come
B
got stuck; was
C
have got stuck; would have come
D
Had got stuck; would come
________ the help from the doctor, the little boy _________ his life.
#88457
A
Apart from; should have lost
B
Without; could lose
C
Except for; would have lost
D
But for; would have lost