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Themathproblemwasdifficultnoneofusworkeditout.A.very;thatB.too;toC.so;thatD.enough;that

题目详情

The math problem was _________ difficult __________ none of us worked it out.

A. very; that           B. too; to          C. so; that          D. enough; that

 

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答案和解析

C