-May we leave the classroom now? -No, you ______. You ______ to leave until the bell rings.
#78353
A
mustn’t, are allowed
B
don’t have to, are supposed
C
needn’t, aren’t allowed
D
can’t, aren’t supposed
推荐题目
Whenever he worked until midnight, he drink some coffee to get refreshed.
#63548
A
could
B
should
C
must
D
would
—I can’t stop smoking, doctor.— For your health, I’m afraid you________.
#77297
A
must
B
have to
C
will
D
can
All passengers______go through safety check before they take a plane.
#74193
A
can
B
may
C
must
D
ought
－Sorry, Miss Liu. I forgot __________ my homework to school. －__________ so careless, Sandy.
#77091
A
to bring; Don’t be
B
to bring; Not be
C
bringing; Don’t be
D
bringing; Not be
--- I don’t mind telling you what I know.--- You_________. I’m not asking you for it.
#62796
A
mustn’t
B
may not
C
can’t
D
needn’t