摘要： 单个介词+关系代词 常用关系代词 Whom, which 介词确定方法 1) 依据从句中动词.形容词.名词.介词短语的固定搭配而定, 2) 依据先行词与句中与动词的搭配而定 The two things of which they felt very proud were his marks and hearth. 他们引以为自豪的事情是他的成绩和健康

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