he keeps fit by doing execise every day.对划线部分提问 什么两个空he什么fit?
问题描述：
he keeps fit by doing execise every day.对划线部分提问 什么两个空he什么fit?
by doing execise every day为划线部分
答
How does he keep fit
不明白的再问哟,请及时采纳,多谢!