【題目】(2017·天津) My eldest son, ___________ work takes him all over the world, is in New York at the moment.

A. that B. whose C. his D. who

【答案】B

【解析】本句是一個非限制性定語從句,先行詞是My eldest son, 根據(jù)句意和空后名詞確定引導詞在從句中作定語,選項中只有引導詞whose修飾名詞作定語。故選B。

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