◎ 题干
_______ is estimated that 25 million school lunches are sold each day.
[     ]
A. It  
B. That
C. This  
D. As
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据魔方格专家分析,试题“_______ is estimated that 25 million school lunches are sold each day.[ ]A. ItB. ThatC. ThisD. As…”主要考查了你对  【it的用法】  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。