—Can we leave the classroom now?—No, you _________. You _________ to leave until the bell rings.
#74081
A
don’t have to; are supposed
B
mustn’t; are allowed
C
needn’t; aren’t allowed
D
can’t; aren’t supposed
推荐题目
(2013·江西六所重点高中一模)We ________ take clean drinking water for granted. One day we may run out of it.
#62428
A
needn't
B
can't
C
won't
D
shouldn't
The World Wide Web is sometimes jokingly called the World Wide Wait because it ______ be very slow.
#62939
A
should
B
must
C
would
D
can
Now that the sign reads, “No person ______ smoke here”, please choose a seat in the smoking area over there if you _______ smoke.
#63408
A
must; shall
B
will; must
C
shall; must
D
can; should
I talked for a long time, and in the end I_____ make her believe me.
#63024
A
should
B
can
C
was able to
D
must
Surely Mr. Peterson ____ have forgotten to buy presents for his beloved family members. After all, it was Christmas!
#63397
A
shouldn’t
B
mustn’t
C
can’t
D
needn’t