Ourmathteacherhas________son.A.

发布时间:2020-07-27 21:37:45

Our math teacher has ________ son.A.a 18-year-oldB.an 18-years-oldC.a 18-years-oldD.an 18-year-old

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D解析“数词+名词(单数)+形容词”构成复合形容词,修饰名词son。
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