同学们，昨天我们对关系代词引导的定语从句做了简单的介绍，今天进来看看关系副词引导的定语从句吧，仅有三个哦。

　　关系副词引导的定语从句

　　     when指时间在定语从句中做时间状语

　　(1) I still remember the day when I first came to the school.

　　(2) The time when we got together finally came.

　　     where指地点在定语从句中做地点状语

　　(1) Shanghai is the city where I was born.

　　(2) The house where I lived ten years ago has been pulled down.

　　     why指原因在定语从句中做原因状语

　　(1) Please tell me the reason why you missed the plane.

　　(2) I don’t know the reason why he looks unhappy today.

　　注意：关系副词引导的从句可以由“介词+关系代词”引导的从句替换

　　(1) The reason why/ for which he refused the invitation is not clear,

　　(2) From the year when/in which he was going to school he began to know what he wanted when he grew up.

　　1.I want to use the same dictionary ______was used yesterday.

　　A. which B. who C. what D. as

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　　答案：D 我想用和昨天用过一样的字典。这里同样是习惯性用法，the same...as的固定用法，于是就只能用as来引导定语从句了，也许很多人会选择A答案，要仔细检查哦。

　　2.I shall never forget those years _______ I lived on the farm with the farmers, _______ has a great effect on my life.

　　A. when; who B. that; which C. which; that D. when; which

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　　答案：D 我永远忘不了在农场和那些人度过的日子，这对我的一生有很大帮助。两个空白处之后都是定语从句，前一个是表示时间，所以自然选择when来引导，而后面的定语从句是非限定性定语从句，来修饰前面的整个句子，所以只能用which来引导。