onwhich(onwhich和inwhich有什么区别)

in which 和on which的区别和用法？

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n which 和 in which 都可以用来引导定语从句，修饰先行词，区别在于介词On/in 这取决于 先行词的搭配，比如 i cant forget the day on which we had a party.这个句子，先行词是day，原本的搭配是on the day.再如， I like the room in which there are many toys.这句话的先行词是room，词组搭配是in the room。