---John knows so much about the alien.Yes, you know he is only eight-year-old boy.A. a

发布时间：2020-08-21 23:19:21

---John knows so much about the alien.   
--- Yes, you know he is only     eight-year-old boy.
A. a
B. an
C. the
D. /

网友回答

A. a
(答案→)B. an
C. the
D. /
解析：第一次提到某物时，要用不定冠词，an或a，又因为eight的首个音标为元音音标，故选B
以上问题属网友观点，不代表本站立场，仅供参考！