We should throw the rubbish into the dustbin ______ protect our environment. 
#49489
A
as a result
B
so that
C
in order to
D
in order not to
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---Where do Tom and John sit ?--- Tom sits __________ of the room and John sits _________ of the room.
#48002
A
in front; at back
B
in the front; at the back
C
in front; at the back
D
in the front; at back
She gave the students a lesson ____ Mr. Wang.
#50127
A
instead
B
instead of
C
instead on
D
instead in
Call Tom ______ 82912356. He has a job for you ______ an actor.
#49578
A
for, for
B
at, with
C
at, as
D
in, as