◎ 题干
-What are you doing?
-I'm cutting the wood _________.
[     ]
A. on pieces
B. on a piece
C. in pieces
D. in a piece
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“-What are you doing?-I'm cutting the wood _________.[ ]A. on piecesB. on a pieceC. in piecesD. in a piece…”主要考查了你对  【不定冠词(a,an)】【介词短语】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。