Mary is girl,but she knows a lot about science.
A.a eight-year-old B.eight-year-old
C.eight years old D.an eight-year-old
人气:416 ℃ 时间:2019-09-21 06:14:23
解答
D.an eight-year-old为什么?加上连字符,eight-year-old就相当于一个形容词再加上eight 的e是元音,所以前面用an
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