exercise 与exercises 的区别及用法

exercise与exercises有什么区别 exercise 与exercises 的区别及用法 exercise 与exercises 的区别及用法 do exercises与take exercise二者区别,意思 exercise与exercises区别,两者联系,要怎么用? exercise和exercises的用法 Exercise和exercises什么区别? do more exercise与do more exercises分别是什么意思啊,哪个是多做运动? 关于exercise,exercises的用法We do morning ____everymorning.And we do _____after school.A.exercises; exercises B.exercises; exercise C.exercise; exercises并请翻译一下 take more exercise还是take more exercises 锻炼是take exercises 还是 take exercise exercise和exercises的区别?请举例 take much exercises还是take much exercise 如何区分exercise,exercises,practice,activities,activity? exercise什么时候加sdo morning exercise还是do morning exercises do more exercises,do more exercise,do some exercise,do some exercises的区别 physical exercise 和physical exercises的区别是?何时用physical exercise,何时用physical exercises? SWIMMING IS _____ A a good exercise B good exercise Cgood exercises D a good exercises