Heisthetallestofallboysinourcla

发布时间:2020-07-26 16:18:03

He is the tallest of all boys in our class but he is a ________ boy.A.tenth year oldB.ten years oldC.ten-years-oldD.ten-year-old

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D解析名词boy之前受不定冠词a的修饰,英语中冠词和名词之间多为形容词.ten-year-old一般做定语,这种复合形容词中不用序数词,而用基数词,名词不能用复数,且彼此之间用连字符号。
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