the old lady promised to devote all she had---the poor child go on with his schooling--处怎么填?A to helping B helping C to help D helped.老师说是 devote to doing 形式我我觉得 to do 做目的状语诶.all 后面（which）she had 定语从句 然后后面 to do 表示目的了.》- - 是什么地方错了.
问题描述：
the old lady promised to devote all she had---the poor child go on with his schooling
--处怎么填?
A to helping B helping C to help D helped
.老师说是 devote to doing 形式
我我觉得 to do 做目的状语诶.all 后面（which）she had 定语从句 然后后面 to do 表示目的了.》- - 是什么地方错了.
答