the boy likes to play with his dog对划线部分提问

来源：学生作业帮助网编辑：作业帮时间：2024/06/08 18:14:00

the boy likes to play with his dog对划线部分提问
the boy likes to play with his dog对划线部分提问

the boy likes to play with his dog对划线部分提问
对什么划线?