morning exercise可数吗 那do morning exercise要加s吗

morning exercise可数吗 那do morning exercise要加s吗 morning exercise\eye exercise 可数吗 do morning exercise和take morning exercise有区别吗 作do exercise时,exercise可数吗 We do morning exercise every day是可数名词 do morning exercise的音标 doing morning exercise加不加S do exercise用加s吗 Does tom do morning exercises every day?exercise后面为何加s? she ofen exercise.exercise加s吗? It's good to do morning 空 （exercise）. 早操英语要不要加s“早操”这个英语morning “exercise”要不要加“s”为什么?