—David，is that man your Chinese teacher?—It___________ be him．He’s having a meeting．
#76087
A
mustn’t
B
can’t
C
needn’t
D
won’t
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-_____you sing and dance at this late hour of the night?-Sorry, I will stop right now.
#62918
A
May
B
Shall
C
Will
D
Must
—____ I swim here?—I’m sorry. Children ____ swim alone here..
#74302
A
Must, can’t
B
May, must
C
Can, mustn’t
D
Can’t, can
—Will you stay for some more days? —Sorry, I_____. My mother called to ask me to go back at once.
#77550
A
mustn’t
B
may not
C
can’t
D
wouldn’t
You ___ drink wine before driving, or the police will take your license away.
#75332
A
don’t have to
B
needn’t
C
mustn’t
D
may not