--______    do you play sports?--Twice a week.
#43341
A
How often
B
How long
C
How much
D
How many
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_________ boys are there in our class?
#38444
A
How often
B
How long
C
How many
D
How much
Your sister        shy.
#35955
A
looks a little
B
like a little
C
look a little
D
look like
You can borrow at most four books from Xinghua Library ___________. 
#40311
A
at a time
B
from time to time
C
at times
D
in time