-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
With the help of the smart phones, you ____ video chat with your friends on the phone.
#74218
A
can
B
must
C
need
D
should
People ______always be careful with fire， or it can be dangerous.
#76425
A
can
B
needn’t
C
must
D
shouldn’t
—Hi, Susan! You look __________ today. — Well, I got _________ A in the English test.
#75077
A
happy; an
B
happy; a
C
happily; an
D
happily; a
Sometimes most of us probably are angry______our friends, parents or teachers.
#77555
A
to
B
with
C
at
D
for
— Dad, must we wait until the light becomes green? — Yes, I’m afraid we ______. That’s the traffic rule.
#74945
A
can
B
may
C
have to
D
need