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4.I wish to thank Professor Smith,without_______help I would never have got this far.(  )
A.whoB.whoseC.whomD.which

分析 句意为:我希望感谢史密斯教授,要是没有了他的帮助,我不可能走这么远.

解答 答案:B  本题定语从句的先行词是Professor Smith,在定语从句中,关系代词应该指代先行词,并在从句中作为help的定语.选项中只有whose可以放在名词前面做定语.故C正确.

点评 解答定语从句的关键是 分析句子成分,如果定语从句的句子成分很完整就使用关系副词;如果句子缺少主语,宾语,表语或者定语的时候就使用关系代词.同时也要注意一些关系词的特殊用法,尤其是that的特殊用法,既要注意普遍性,也要注意特殊性.特别关注:Whose是可以放在名词前面做定语的关系代词,如果缺少定语,用whose引导定语从句,或是of which the+名词/the+名词+of which.要特别注意which引导非限制性短语从句的用法.

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