There is a “ No smoking “ sign here. You _________ smoke.
#77266
A
can
B
may
C
needn’t
D
mustn’t
推荐题目
— _____ you find _______ ways to work out this problem, Jim? — Yes, I ______.
#76596
A
Could; another; could
B
Can; another; can
C
Could; other; can
D
Can; other; could
－May we start the meeting now?－No, we________ . We__________ to start until the manager comes.
#76883
A
mustn’t; are allowed
B
don’t have to; are supposed
C
needn’t; aren’t allowed
D
can’t; aren’t supposed
People ______always be careful with fire， or it can be dangerous.
#76425
A
can
B
needn’t
C
must
D
shouldn’t
He have completed his work; otherwise, he wouldn’t be enjoying himself by the seaside.
#62185
A
should
B
must
C
wouldn’t
D
can’t
Even students of average intelligence ________ become top students by improving their study habits.
#62294
A
must
B
can
C
have to
D
ought to