She was laughing and crying_________ the same time.
#51026
A
at
B
in
C
for
D
by
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Thanks __ helping me, Jim.
#49831
A
of
B
to
C
at
D
for
This is a  photo ________ my family.
#46459
A
in
B
of
C
at
D
for
The tourists are all interested            the Great Wall.
#48480
A
on visiting
B
to visit
C
in visiting
D
visiting