◎ 题干
Many _______ trees must be planted every year.
[     ]
A. thousands of
B. hundreds
C. hundred of
D. million of
◎ 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“Many_______trees must be planted every year. [ ]A. thousands ofB. hundreds C. hundred ofD. million of…”主要考查了你对  【基数词】  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。