高等继续教育 / 大学英语语法
正确率：100%
题型描述: 单选题
He works too hard. That is ＿＿＿＿ is wrong with him.
A.the what
B.what
C.the thing what
D.that which
He works too hard. That is ＿＿＿＿ is wrong with him.
A.the what
B.what
C.the thing what
D.that which
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