----_________ do you go to the old people’s house, Tom? ----Once a month. 
#41049
A
How long
B
How far
C
How soon
D
How often
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 --_______does it take you _______to school every day? –About twenty minutes. 
#39059
A
How long; get
B
When; to get
C
What time; to get
D
How long; to get