He is anboy.A. 8-year oldB. 10-year-oldC. 18-year-oldD. 8 year old

发布时间：2020-08-17 13:44:22

He is an    boy.
A. 8-year old
B. 10-year-old
C. 18-year-old
D. 8 year old

网友回答

A. 8-year old
B. 10-year-old
(答案→)C. 18-year-old
D. 8 year old
解析：18-year-old为合成形容词。因为前面有an，所以决定了只能选C。
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