定语从句里是不是只有which 和whom前面可以加介词

问题描述:

定语从句里是不是只有which 和whom前面可以加介词

是。。。

定语从句里是不是只有which 和whom前面可以加介词?
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还有 whose:
Mr.Wang is the man FOR WHOSE company my aunt works as the accountant.