题目内容
This exercise is _________ difficult _____ .
A. so; that few of us can do
B. so; that few of us can do it
C. to; for anyone of us to do
D. too; for anyone of us to do it
答案：B
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题目内容
This exercise is _________ difficult _____ .
A. so; that few of us can do
B. so; that few of us can do it
C. to; for anyone of us to do
D. too; for anyone of us to do it