---Must we leave the classroom now?---No, you _____. You _____ leave after the bell rings.
#86350
A
mustn't; are allowed to
B
don't have to; might
C
needn't; can
D
can't; are supposed to
推荐题目
If you had got up early, you_____ the early bus.
#87665
A
have caught
B
will have caught
C
would have caught
D
had caught
Water ____ be changed into vapour but it ____ be heated to its boiling point . 
#89755
A
may ; can
B
can ; must
C
may ; needn''t
D
must ; may
—It’s many years since I saw you last; I        you at all. —I wouldn’t have, either; if someone       you by the name.
#87318
A
didn’t recognize; hadn’t called
B
didn’t recognize; didn’t call
C
haven’t recognized; didn’t call
D
recognized; hag called