I sometimes help my mom with her housework____________ Saturdays.
#45850
A
at
B
in
C
on
D
to
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We will celebrate the 90th birthday of the Chinese Communist Party ____June 29th, 2011 in Qinzhou.
#50636
A
on
B
at
C
in
D
during
_______ the mouse, you can choose an icon _______ for more details.
#46215
A
By; to click on
B
With; to click on
C
With; to click
D
By; to click it
—What do you think your life will be like________ twenty years?—Yeah.I have thought about it________ three years.
#47917
A
before;of
B
after;in
C
in;for
D
for;for