fifteen and sixteen are thirt-one这句话有什么错

-------centuries!A the fifteen and sixteenB fifteenth ans sixteenthC the fifteenth ans sixteenthD fifteen and sixteen fifteen＋sixteen= In her class,there are______students,fifteen are boys and sixteen are girls. 填空题 fifteen and sixteen are thirt-one这句话有什么错 Fifteen sixteen 是什么牌子?是包包的牌子吗? 用fifteen sixteen分别造一个简短的句子 Mary is sixteen. Susan is fifteen. (同义句转换) Mike and Tony_____(be)sixteen. 一首英文歌曲中间部分有fourteen fifteen sixteen 等数字请问是什么歌呢 求一首好听的英文歌：里面好像有什么fourteen ,fifteen,sixteen之类的~ Tom is fifteen yeas old.Jim is sixteen years old.（合并为一句） #英语四六级#Mary is sixteen.Susan is fifteen.(同义句转换) F___ is between fourteen and sixteen. Mike and Tony_____(be)sixteen急 Six and nine is fifteen对划线部分提问fifteen 帮解决一下英语短文,Tom,JackNancy and Hlen are brothers and sisters One of them is eighteen,and one of them is fifteen One of the boy is sixteen and one of the girls is seven.And Tom is older than Nancy,but Helen isn't older than Nncy sixteen and thirty Sixteen and thirty is ___________ 请用适当的数词填空. How old are they?Tom________ Jack________ Nancy________ Helen________Tom,Jack,Nancy and Helen are brothers and sisters.One of them is eighteen,one of them is fifteen,ong of the boy is sixteen,and ong of the girls is seventeen.And Tom is older than Na