(2013·湖北高考)An artist who was recently traveling on a ferry to the southern island discovered ________ a long lost antique Greek vase.
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A
at random
B
by chance
C
in turn
D
on occasion
推荐题目
We have brought in a good grain harvest for three years_________.
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A
on purpose
B
on end
C
on duty
D
on watch
If you really have to leave during class, you’d better leave____ the back door.
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A
for
B
at
C
by
D
out
China now aims to boost domestic demand, and this ______ would help the global economy.
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A
in short
B
on duty
C
on average
D
in turn