英语语法问题Coolness is something a boy learns as he grows up.为什么用

He is as a good boy as Tim.为什么要用as a good boy as? victor is a ( )boy and he learns quickly. victor is a(b__ )boy and he learns quikely He is a pilot now.（用when he grows up改写句子） he wants to be a businessman when he grows up.为什么grow用一般时 He ____ a docyor when he grows up.(A.is B.will C.is going to He is as a tall boy as he is. The boy wants______ an astonant when he grows up 填空 As one grows up,one becomes more experienced为什么用as不用when Tom is b___ boy .He learns Maths quickly. a time or state that something reaches as it grows Li Ping is going to be a pilot when he grows up画线 a pilot 提问