—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
“Not having returned home yet, _________”, his father said to the police.
#63543
A
his mother got worried
B
his mother must be worried
C
I think he is missing
D
he must have got into some trouble.
— Must I stay here with you?— No, you . You may go home, but you go to the net bar (网吧).
#74128
A
mustn’t;don’t have to
B
needn’t;mustn’t
C
must;need
D
need;must
— Who’s that man over there standing in the garden? Is it Mr. White?—It __________ be him. He has gone to Shanghai on business.
#74578
A
shouldn’t
B
may
C
can’t
D
must
---Whose book is this?---It________ be Ning’s because it has her name on it.
#75302
A
must
B
can’t
C
might
D
could
—The speaker is a tall man with glasses.—Then it be Mr. Smith, who is short and thin.
#62797
A
can’t
B
wouldn’t
C
won’t
D
mustn’t
