题目内容
【题目】We want three ______.Can you bring them to us?
A. piece of paper B. pieces of papers
C. piece of papers D. pieces of paper
【答案】D
【解析】
句意:我们要三张纸。你能把它们带来吗?考查名词的数。paper作为“纸张”讲时是不可数名词,故B、C两项错误;piece是可数名词,three后接复数名词,排除A项。根据句意语境,可知选D。

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