.This CD-ROM can help you learn and have fun_____.
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A
at times
B
on time
C
at the same time
D
in time
推荐题目
Peter is better _____ English than any _______ her classmates. 
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A
for; other of
B
at; other of
C
for; of
D
at; of
The accident happened _____the old man  _____ a cold morning .
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A
to ; to
B
in ; in
C
in ; to
D
to ; on
 The boy is ________ the room.
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A
on
B
in
C
at
D
under