—I can’t stop smoking, doctor.   — For your health, I’m afraid you ______. 
#77932
A
may
B
can
C
have to
D
need
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—I’m sorry. I         at you at the other day.— Forget it. I was a bit out of control myself.
#63326
A
shouldn’t shout
B
shouldn’t have shouted
C
mustn’t shout
D
mustn’t have shouted
Sometimes we have much homework to do, but not often. Anyway, it ______in time.
#76665
A
can finish
B
should finish
C
can be finished
D
should be finished
—_______ do you clean your room?— Every day. 
#77537
A
How long
B
How many
C
How often
D
How soon