five-six-year olds是什么意思与five six-year olds的区别是什么
five-six-year olds是什么意思与five six-year olds的区别是什么
six-year-old与six-year-olds的区别
-----olds are on the lake A.Five-six-year B.Five-six years C
six years old 和 six- year- old 和 six- year- olds的区别
fifteen-year-olds是什么意思?
the six-year-olds是复数还是单数呀
may is six-year-olds这样说对吗?
16-year-olds 与the+形容词的区别
five -year- olds像这样的泛指做主语谓语动词用单数还是复数?
16-years-old和16-year-olds的区别
seven-year-olds
英语翻译Teaching histroy to five-year-olds in a meaningful way c