what do you want ______when you grow up?A.to be B.being

what do you want ______when you grow up?A.to be B.being what do you want to be when you grow up ?i want to be a teac What do you want to be when you grow up? 英语翻译WHAT do you want to be when you grow up?A doctor,a teach What do you want to be when you grow up?这里为什么要用to be? what do you want to do when you grow up?i want to make a lot What do you want to be when you grow up?Why?（字数越多越好,要新颖,有条理, what do you want to be when you grow up?( )engineer like my 求一篇初三的口语短文what do you want to be when you grow up 英语写作;what do you want to be when you grow up? What do you want to be when you grow up?An astronaut?Itis no What do you want to be when you grow up?Why?