----_________ 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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A: -             do they play football.  B: -- Always.
#42407
A
How soon
B
How often
C
How long
D
How far
.—His father ______an actor , didn't he ? —Yes, he did . 
#43402
A
used to being
B
used
C
used to be
D
uses to be
Could you please ___ your room after school? 
#42166
A
to clean
B
cleaning
C
clean
D
cleans