——This wall of air is an effective answer to the problem and it ____ work.——But it is a question to put such a wall of air around the statue.
#89420
A
may
B
must
C
should
D
could
推荐题目
I couldn't have got to the meeting on time - _______ an earlier train .
#90401
A
if I had not caught
B
unless I had caught
C
if I did not catch
D
unless I caught
We insisted that the girl ________ qualified for the job, but the manager insisted that she ________ the job because of her shyness as a receptionist.
#87678
A
should be; was offered
B
was not; should be offered
C
was; not be offered
D
should not be; was not offered
---How much shall I pay for the phone call? ----You ____ .This is free of charge.
#87315
A
shouldn’t
B
can’t
C
needn’t
D
mustn’t
You _____ pay too much attention to your reading skill, as it is so important.
#90084
A
cannot
B
should
C
must
D
needn’t