here is letter()Lucy to her friend in the USA.A.comes from B.is from C.comefrom D .from我知道答案

问题描述:

here is letter()Lucy to her friend in the USA.A.comes from B.is from C.comefrom D .from我知道答案
请说明意思何原因

D from.to.原因固定结构从。。。。。。到。。。。。。。