______ is known to us all that the old scientist,for ___ life was hard in the past,still works hard in his eighties.A.It,whomB.As,whomC.As,whoseD.What,whom为什么不选C?是不是如果第二空我填whose,就不要for,变成定语从句了?

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______ is known to us all that the old scientist,for ___ life was hard in the past,still works hard in his eighties.
A.It,whom
B.As,whom
C.As,whose
D.What,whom
为什么不选C?
是不是如果第二空我填whose,就不要for,变成定语从句了?

答案选A
第一个空 it 作形式主语,真正主语the old scientist still works hard in his eighties.
第二个空 由于语境可以判断,for是对于的意思,因此后面用宾格
句意:我们都知道,这位老科学家在条件见过的过去,仍然努力工作到八十几岁
竭诚相助,

答案选D吗
______ is known to us all that the old scientist为主语从句
且主语从句缺主语 名词性从句中的连接词有三类
that。 whether。if(不充当从句中的任何成分)
what,whatever,who,whoever,whom,whose,which
when,where,how,why

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答案选D吗
______ is known to us all that the old scientist为主语从句
且主语从句缺主语 名词性从句中的连接词有三类
that。 whether。if(不充当从句中的任何成分)
what,whatever,who,whoever,whom,whose,which
when,where,how,why
没有as
for ___ life was hard in the past应该为非限制性定语从句 只是插入
for后面缺宾语
不知道清不清楚雅

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A.
1。没有As is 的用法,is 是谓语,前面需要主语
2。for后面需要宾语。 for him life was hard in the past 过去的生活对他来说是艰辛的
whom 是 who 的宾格