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Papercuttinglooksveryeasy,   itmaybedifficulttodo.     ...

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问题详情:

Papercuttinglooksveryeasy,   itmaybedifficulttodo.     ...

Paper cutting looks very easy,   it may be difficult to do.

          A. so  B. but  C. or   D. for

【回答】

B  

知识点:连词

题型:选择题