Joe will be 50 centmetres _____ when he is 25 years old A、ta

Joe will be 50 centmetres _____ when he is 25 years old A、ta tom started golfing when he _____(be)ten years old ___ will Joe be ___ in 15 years?He will possibly be a firema 请教各位：He ____ nine years old next month. A. will be B. is goi 高一英语````急!phelps will be only 27 years old in 2012,when he s -He will ride a bike when he was 6 years old? Ben will be a good football player when he-------25 years ol when David is twice as old as he is now he will be four time my grandfather is seventy years old ,but he is h-- .he is ta He ____ (be)only 35 years old when he died. Jim learned _____ the piano when he was four years old.A.to Mary ________ten years old next year. a.will is b.will be c.