— There’s somebody at the door. Who ______ it be? Is it the postman ?—No, it ______ be him. It’s just seven o’clock. It’s too early.
#74903
A
may, can’t
B
will, won’t
C
may, mustn’t
D
must, may not
推荐题目
—The government should try to balance economic growth and pollution from industry.—____. It’s time to do it.
#63559
A
All right
B
Exactly
C
Go ahead
D
That’s OK
-----Can I watch TV, Mom? -----No, you . You to do your homework first.
#76494
A
don’t; have
B
can’t; can’t
C
can’t; have
D
do; must
----Did you go to the cinema last night? ----No, We , but our car broke down on the way.
#63341
A
must have gone
B
shouldn’t have gone
C
could have gone
D
Needn’t have gone
You _____ get the machine repaired this week. I won’t need it until next month.
#62734
A
mustn’t
B
needn’t
C
shouldn’t
D
can’t
Today is Wednesday. He _______be at home. He ______ be at school.
#77314
A
can’t, can
B
can’t, must
C
mustn’t, must
D
mustn’t, can