题目内容
8. The meeting in Copenhagen is not successful in a way, a train of problems and difficulties to deal with.
A. leaving off B. leaving out
C. leaving alone D. leaving behind
8. D句意为:"哥本哈根的会议在某种程度上不成功,因为留下了一系列的问题待解决。"leave behind意为"留下",故答案为 D.
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