—_____ do you go to the school library?        —Once a week.
#59908
A
How often
B
How soon
C
How long
D
How much
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---          a month do you do voluntary work ? ---Twice a month. 
#59864
A
How long
B
How many times
C
How much
D
How often
I told them not everybody could run as fast as you did, _____?
#64898
A
ould he
B
didn’t I
C
didn’t you
D
could they
I suppose he ought to have known that,________?
#65462
A
don’t I
B
oughtn’t he
C
do I
D
ought he
– Can you come and play baseball games with us?-- ____. I have a lot of homework to do.
#60004
A
Yes, I can
B
Yes, I do
C
No, I can’t
D
No, I don’t