There is an air conditioner _______ the two windows in the room.
#49775
A
in
B
at
C
on
D
between
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He      born       September.
#50070
A
was, in
B
is,in
C
was,on
D
is,on
---We think it is wrong ______ him ______her copy the homework.  
#48512
A
of; to help
B
for; to help
C
of; helping
D
for; helping