◎ 题干
Two ______ trees have been planted along the lake since 1998.
A.thousands of B.thousand of C.thousands D.thousand
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“Two ______ trees have been planted along the lake since 1998.A.thousands ofB.thousand ofC.thousandsD.thousand…”主要考查了你对  【基数词】【序数词】【时刻】【分数】  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。