---_____do you visit your uncle?---once a week .
#56274
A
How long
B
How many
C
How much
D
How often
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You will achieve nothing _       you work hard.
#56195
A
if
B
unless
C
when
D
That
Remember to wash your hands __________ you have meals.
#56692
A
before
B
until
C
though
D
unless
Mother keeps telling her son not to get off until the bus          .
#55396
A
will stop
B
is going to stop
C
stopped
D
stops