He goes to school on foot sometimes【(对划线部分提问）划线部分：on foot】

He goes to school on foot sometimes【(对划线部分提问）划线部分：on foot】 对划线部分提问 He goes to school on foot. Sometimes he goes to school on foot.(划线提问sometimes) She goes to work on foot every day.(对划线部分on foot 提问） The boy (sometimes) goes to school on foot.(括号表示下划线) 这是对划线部分 I go to school on foot 对划线部分提问（划线部分是：on foot ） 急! 划线部分提问 I sometimes go to school on foot.sometimes划线 He (goes to school) on foot.括号里划线部分提问. Jack goes to school on foot every day 就划线部分提问 划线部分是 on foot sometimes he goes to school on foot 对sometimes 提问 "Ann goes to school on foot“on foot划线提问 Iusually go to school on foot 划线部分提问on foot是划线部分