第1句为什么关系代词用why,第2句中为什么关系代词用which,第3句中为什么关系代词用that/which1.that was the reason (why) mac refused to speak at the meeting2.that was the reason (which)mac refused to speak for at the meeting
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第1句为什么关系代词用why,第2句中为什么关系代词用which,第3句中为什么关系代词用that/which1.that was the reason (why) mac refused to speak at the meeting2.that was the reason (which)mac refused to speak for at the meeting
第1句为什么关系代词用why,第2句中为什么关系代词用which,第3句中为什么关系代词用that/which
1.that was the reason (why) mac refused to speak at the meeting
2.that was the reason (which)mac refused to speak for at the meeting
3.that was the reason (that/which)mac gave me the other day
第1句为什么关系代词用why,第2句中为什么关系代词用which,第3句中为什么关系代词用that/which1.that was the reason (why) mac refused to speak at the meeting2.that was the reason (which)mac refused to speak for at the meeting
1.同位语从句,用why引导表示……原因
2.宾语从句,先行词在从句里位于for后充当宾语
3宾语从句,先行词在从句里充当宾语
第一句中与第二句中why和for which充当相同的成分解释原因
第三句中that和which充当gave的宾语
第一句先行词是reason，why用来修饰原因，说的是：这个原因就是为什么。。。
第二句refused to speak for sth,这个sth就要用which来代，作名词
第三句 gave me sth，这里缺少的也是名词，是宾语，用that/which
这三句都是定语从句 1. why代替for the reason在从句中作原因状语。因为从句是个完整的句子。 2. which代替the reason在从句中做for的宾语。因为speak后出现了for，所以只能用which。 3. that和which代替the reason在从句中作give的宾语，因为give后没介词，所以能用that和which。
比如：This is the ho...
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这三句都是定语从句 1. why代替for the reason在从句中作原因状语。因为从句是个完整的句子。 2. which代替the reason在从句中做for的宾语。因为speak后出现了for，所以只能用which。 3. that和which代替the reason在从句中作give的宾语，因为give后没介词，所以能用that和which。
比如：This is the house. I was born in the house就能改成1. This is the house where I was born. 2. This is the house in which I was born. 3. This is the house that/which/省略 I was born in.
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