in some families competition starts from a very young age为什么

英语翻译第一：Competition between families starts at a young age.第二 请讲解一下competition between families starts at a young age Competition between families starts at a yong age. 1,”om graduated from college at a very young age.” -Tom graduated from college at a very young age . 帮我填一个英语选择题Tom graduated from college at a very young age.--- Audrey Hepburn was a ballet dancer ____ a very young age.In Audrey Hepburn was a ballet dancer ____ a very young age. In Audrey Hepburn was a ballet dancer____a very young age为什么填at some of the families in china.families是复数表示泛指,为什么前面加 the? at a young age翻译 children should attend school from a young age有没有语法错误啊,‘a‘是不