It ____ be our headmaster. He has gone to Beijing.
#88070
A
mustn’t
B
won’t
C
may not
D
can’t
推荐题目
(2011·江西)It ________ be the postman at the door.It's only six o'clock.
#86557
A
mustn't
B
can't
C
won't
D
needn't
Last night the order came that all those infected with the deadly disease ________.
#87974
A
was separated
B
should separate
C
be separated
D
were separated
—Has your father got up?—Sorry, I’m not sure. He __________ got up. Please go and see for yourself.
#89523
A
must have
B
can’t have
C
would have
D
might have
I can hear the Browns' phone bell ringing but no one is answering it; they _______ be at home.
#89680
A
would
B
might
C
needn't
D
can't