◎ 题干
The boys were happily making a snowman, _________ with cold.
A.their faces redB.their faces were red
C.their faces to be red D.their faces turned red
◎ 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“The boys were happily making a snowman, _________ with cold. A.their faces redB.their faces were redC.their faces to be red D.their faces turned red…”主要考查了你对  【独立主格结构】  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。