问题: 定语从句,赶紧帮帮忙!
She had three sons, all __ became doctors.
A. who B. whose C. of which D. of whom
请帮忙,还有解释.
多谢!!
解答:
这题选D. of whom ，因为先行词 sons是人，关系代词用who／whom我有３个孩子，他们全部成为医生．这是带介词的定语从句．whom指的是three sons，做of的宾语．of与代词连用，表示范围。 all of ，some of ,none of ,both of等，
A. who 没有范围，如果改为：She had three sons, A. who became doctors.就可以。
B. whose 是某人／物的．如果改为：She had three sons, whose knowlege is rich.就可以。whose指 sons＇．她有３个孩子，他们的知识很丰富．
C. of which 不能指人．如果改为：
She had three dogs,C. of which are pretty.就可以．which指狗．
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