SAT语法题（在线等解答）
问题描述：
SAT语法题（在线等解答）
Like many people,Luanne believes that parents can foster musical ability in small children （out of） playing classical music for them while they are infants.
答案说out of 有错误,请问应该怎么修改?
答
out of 改成by 即可 介词短语作方式状语 修饰 can foster musical ability