—_______ do you clean your room?— Every day.
#77537
A
How long
B
How many
C
How often
D
How soon
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【There’s a lot of water on the ground; the water pipe _____ be repaired.
#63174
A
can
B
ought to
C
will
D
may
—Must I go there right now, mum?—No, you ____. You can go there tomorrow.
#75563
A
shouldn’t
B
can’t
C
mustn’t
D
needn’t
--- Must I hand in my report now? --- No, you ________. You still have some time.
#77494
A
shouldn’t
B
mustn’t
C
needn’t
D
can’t
—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
----Must I hand in our homework today?--- No, you ______.
#75787
A
mustn’t
B
needn’t
C
can’t
D
shouldn’t