问题描述：
请问是不是to后面要跟从句只能用which?
He failed to live Up to __________had been expected of him.
A.what B.which C.that D.all
我记得to后面要跟从句只能用which啊?
He failed to live Up to __________had been expected of him.
A.what B.which C.that D.all
我记得to后面要跟从句只能用which啊?
问题解答：
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