—__________ 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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What ________ you usually ________ for the Lantern Festival?
#41056
A
do, do
B
are, do
C
are, doing
D
do, doing
I hope ________my birthday party next Saturday.
#40886
A
you to come to
B
that you can come to
C
that you to come
D
you come
There _____ calories in water. 
#40976
A
have no
B
have some
C
are no
D
are some