——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
______ fired, your health care and other benefits will not be immediately cut off.
#87351
A
Would you be
B
Should you be
C
Could you be
D
Might you be
Bob insisted that he ________ nothing wrong and ________ from work.
#87118
A
did; won’t be fired
B
had done; not be fired
C
should do; mustn’t be fired
D
do; shouldn’t be fired
— I’ll tell Mary about her new job tomorrow. — You ______ her last week. 
#89264
A
ought to tell
B
would have told
C
must tell
D
should have told