4岁开始学手风琴有好处.It is good ____ ____ to learn the accordion at the age of four.
问题描述:
4岁开始学手风琴有好处.It is good ____ ____ to learn the accordion at the age of four.
答
4岁开始学手风琴有好处.
It is good to begin to learn the accordion at the age of four.