做早操do morning exercise,要用单数还是复数?

做早操是do morning exercice还是do morning exercices? 做早操do morning exercise,要用单数还是复数? 做早操的英文是do moring exercise还是do morning exercises “坚持做早操”英语怎么说?insist that do morning exercise every day对吗 We do morning exer in the morning 中的in可以改成on么? 我经常看见他做早操（I often see him do morning exercise） 被动语态英文 exercise 和 exercises的区别?do morning exercises是做早操?do morning exercise是早锻炼?do exercises到底是锻炼还是做习题- -我凌乱了求解释… 做早操 do morning exercises 还是do morning exercise我跟学生说do morning exercises,可题目上居然出现了一个do morning exercise...我孤陋寡闻了,Doing morning exercise is good to our healthexercise 在做体操来讲时不是可 do morning exercises 早操加不加S2 do exerciese 谓语是单数吧 . 做早操帮我们为一天做好准备（翻译）Doing morning exercises helps_______________ 我们经常在户外做早操 用英语怎么说(用上 often,morning,exercise,open,air) 做早操对我们是有好处的.[这句话的英文] Doing morning exercises is 是该我们做早操的时间了.It's ( ) ( ) ( ) ( ) ( ) morning exercises.每空一词, 英语翻译：这些天,他一直坚持做早操.（He has _____ ______ morning ______these days.） 做早操（英语翻译） 做早操 英文翻译 做早操的句子 做早操怎么翻译?