He is ________ 8-year-old boy.a还是an8-year-old不是修饰boy的吗?不是应该用a

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Heis________8-year-oldboy.a还是an8-year-old不是修饰boy的吗?不是应该用aHeis________8-year-oldboy.a还是an8-year-old不是

He is ________ 8-year-old boy.a还是an8-year-old不是修饰boy的吗?不是应该用a
He is ________ 8-year-old boy.
a还是an
8-year-old不是修饰boy的吗?不是应该用a

He is ________ 8-year-old boy.a还是an8-year-old不是修饰boy的吗?不是应该用a
an 8是eight,这是元音,所以用an,还有11也有an

an
8 eight 原因开头,用an

He is ____an____ 8-year-old boy.
8 eight 元音开头,用an

an ,因为8读出来是有元音的,因此要用an

He is an 8-year-old boy.
在元音字母a、e、i、o、u前都是用an
因为"8"的音标为"eight"