He goes to work _______ 8:00 ________ the weekend . 
#46468
A
in, in
B
at, in
C
at, on
D
on, on
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It's very important _______ us ______ every day.
#48339
A
for;exercise
B
to;to exercise
C
for;to exercise
D
to;exercise
----Why do you always sleep ________?----Because I’m afraid of the dark. 
#47797
A
by yourself
B
with the door open
C
with the window open
D
with the light on
Please call Gina_____234-5678.
#49186
A
for
B
at
C
to
D
in