jacky
onwhic挥李龙林病席失身准h和inwhich都均球乎任火电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ican'tforgettheda迅口客宣击流掌她席世yonwhichw谓例根危ehadaparty.这判育放个句子，先行词是day，原本的搭配是ontheday.
再如，Iliketheroominwhichtherearemanytoys.这句话的先行词是room，词组搭望础配是intheroom。
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