题目内容
______ is known to us all is that the old scientist, for ________ life was hard in the past, still works very hard in his eighties.
A. As; whom B. What; whom C. It; whose D. As; whose
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题目内容
______ is known to us all is that the old scientist, for ________ life was hard in the past, still works very hard in his eighties.
A. As; whom B. What; whom C. It; whose D. As; whose