We do morning exercise every day是可数名词

We do morning exercise every day是可数名词 填空题见下We do morning exercise every day to keep our body s____ it is really___to do morning exercise every day. We do exercise every morning.改为否定句 we do moring exercise every day改为一般疑问句 填空,we must do aye ____ {exercise} every day every morning ＿ we get up ,we do morning exercise.选哪个 为什么 of us must do morning exercise every day.A.every B.everyone exercise是可数名词吗 He dose morning exercise every day we do morning exercises every day.(改为一般疑问句) exercise是可数名词还是不可数名词?