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Important sentences are often marked ______ different colours.
#49424
A
in
B
on
C
about
D
by
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 Is that your pencil case ____the lost and found case?
#47598
A
at
B
in
C
of
D
to
You’d better call me in advance if you want to go with me .
#47634
A
in front
B
on time
C
ahead of time
D
later
-- Sally, you must introduce your friend ___________ me. -- OK, I will.
#49259
A
for
B
to
C
at
D
in
They put their books____to make the library clean and tidy.
#46653
A
under the chair
B
on the floor
C
behind the door
D
in the bookcase
______ your support, we will not win the basketball match.
#48637
A
Have
B
Has
C
With
D
Without