do some exercise,为什么不想do some cleanning那样加INGclean 也有名词的意思啊，没有复数

to do some exercise 为什么exercise 后面不加S啊 do moring exercises 和 do some exercise 为什么一个加s 一个不加 do more exercises,do more exercise,do some exercise,do some exercises的区别 do some exercise,为什么不想do some cleanning那样加INGclean 也有名词的意思啊，没有复数 Let's do ______ (some) exercise ,OK Do some exercise with me的意思 do some exercises还是do some exercise对 Sonja has to do some exercise to stay healthy.改否定句 为什么还用some而不用any ()4.Do more ().And you’ll get strong. A.exercise B.some exercise C.an exercise Do you often do some exercise in the morning?exercise为体育锻炼句中应该是do some exercise还是do any exercise?Thanks! It will make you good to have some outdoor exercise错在哪儿?为什么答案说将make改为do, Let is do some exercise,shall we?改同义句 We should（）（do）some （）（exercise） play sport 和 do some exercise意思一样吗 We should do some exercise to keep fit疑问句 Let's do some exercise together.怎么改成一般疑问句 锻炼的英语,do some exercise要不要加ing exercise ,go,do,some,home,i'll,before,i