【題目】 Do you know who _____ paper?

A. discovered B. invented C. found D. found out

【答案】B

【解析】

試題分析:句意:你知道是誰發(fā)明的紙嗎?A. discovered發(fā)現(xiàn);B. invented 發(fā)明;C. found 發(fā)現(xiàn)找到; D. found out發(fā)現(xiàn)。根據(jù)句意,故選B。

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