—__________ do I have to change the robot’s batteries? —Every two months.
#41136
A
How long
B
How soon
C
How often
D
How many
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There        a class meeting next week.
#41051
A
will have
B
is going to have
C
will has
D
is going to be
-_______ do you go to the English club?Once a week.
#41228
A
How old
B
How often
C
How much
D
How many
Mall is a good place          things.
#41090
A
buy
B
to buy
C
buys
D
buying