题目内容
13.The old man has two sons,____________ are working in the supermarket.( )A. | both of whom | B. | each of them | C. | both of them | D. | all of whom |
分析 这位老人有两个儿子,他们都在超市工作.
解答 答案:A 本题定语从句的先行词是two sons,定语从句中关系代词whom指代先行词,作为介词of的宾语,因为先行词是two sons,所以使用both.故A正确.
点评 分析句子,找出定语从句的要素:先行词,关系词以及关系词在从句中所充当的成分
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