【題目】He has five __________, and they are all doctors working in the same hospital.

A. sons-in-laws B. son-in-laws

C. sons-in-law D. son in laws

【答案】C

【解析】句意：他有五個女婿，都是在同一個醫(yī)院工作的醫(yī)生。合成名詞變復(fù)數(shù),將詞尾S加在主要名詞后面。

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