用by造两个句,by的意思要是痛过噢,
问题描述：
用by造两个句,by的意思要是痛过噢,
答
You can improve your learning result by working with your classmate.还要一个I will lose my weight by doing more exercise.
用by造两个句,by的意思要是痛过噢,
You can improve your learning result by working with your classmate.还要一个I will lose my weight by doing more exercise.