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【题目】I'm very grateful to my high school teacherswithout _____________help I wouldn't be so excellent.

A.theirB.whom

C.whoseD.which

【答案】C

【解析】

考查介词+关系代词引导的定语从句。句意:我非常感谢我的高中老师,没有他们的帮助,我不会这么优秀。without _____________help I wouldn't be so excellent.是一个定语从句,先行词是my high school teachers,关系词在从句中作定语,故选C。

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