_____(a/an)1-year-old boy _____(a/an)8-year-old boy _____(a/an)11-year-old boy

问题描述:

_____(a/an)1-year-old boy _____(a/an)8-year-old boy _____(a/an)11-year-old boy
_____(a/an)13-year-old boy

这个就是考元音不元音的问题啦.搞清楚1 ,8 ,11,开头字母的发音.8 ,11,元音开头,选an_____(a/an)13-year-old boy