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is known to us all is that the old scientist, for_life was hard in the past,still works very hard in the past, still works very hard in his eighties. A. It; whose B. As, whom C What , whom D. as ;whose

分类: 作业答案 • 2021-12-20 01:04:48

问题描述：

__is known to us all is that the old scientist, for___life was hard in the past,still works very hard in the past, still works very hard in his eighties.
A. It; whose B. As, whom C What , whom D. as ;whose

答

C
前面是what 引导的主语从句；后面是for whom引导的定语从句,原型为sth is + adj for sb.

__is known to us all is that the old scientist, for___life was hard in the past,still works very hard in the past, still works very hard in his eighties. A. It; whose B. As, whom C What , whom D. as ;whose

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is known to us all is that the old scientist, for_life was hard in the past,still works very hard in the past, still works very hard in his eighties. A. It; whose B. As, whom C What , whom D. as ;whose