Jack is 15 years old,three times as old as his sister.How old will Jack and his sister be when he is twice as old as his sister?

Steven is 15 years old.Jack is 16 years old.Steven ____ ____old as Jack.同同义句 Lisa is 15 years old.Jack is 13 years old.Lisa is t___ years older than Jack.第一个字母已给出 Jack is nine years old.Today is his--------birthday快 Tom is fourteen years old.Jack is eighteen Jack is 4 years old.Mike is 7 years old.Mike is ___ ___ ___ than Jack. jack is ten years old and ben is fourteen years old同义句jack is ____ _____ yoounger than ben. jack is 10 years old and mike is 10 years old too改为同义句 Tom is 12years old.Jack is 13 years old.(求合并为一句) jack is ten years old and ben is fourteen years old 保持原句意思 同义句转换 Jack is two years old. Jack () () two years ago 英语开放探究题1.Mary is 12 years old.two years ago,she was twice as old as her brother Jack.How old is Jack now?How old will Mary be when Jack is twice his present age?2.Peter is 15 years old.Three years ago,his younger sister Michaelle was ha Jack is only four years old.(对划线部分提问)only years old Tom is five years old.Jack is ten years old同义句Tom is ____ ____ ____ than Jack Jack is ____ ____ ____ than Tom MARY IS 12 YEARS OLD .TWO YEARS AGO ,SHE WAS TWICE AS OLD AS HER BROTHER JACK.HOW OLD IS JACK IS? Jack is four years old.(改为同义句） Jack is___ ___boy. Jack is 15 years old,three times as old as his sister.How old will Jack and his sister be when he is twice as old as his sister? 急mary is 12 years old .two years ago ,she was twice as old as her brother jack.how old is jack now? Mary is 12 years old.Two years ago, shewas twice as old as her brothei jack,How old is jack now?