◎ 题干
This problem is ______ difficult __________.
A.so; that few of us can do
B.so; that few of us can do it
C.too; for anyone of us to do
D.too; for anyone of us to do it
◎ 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“This problem is ______ difficult __________.A.so; that few of us can doB.so; that few of us can do itC.too; for anyone of us to doD.too; for anyone of us to…”主要考查了你对  【并列连词】【从属连词】  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。