how are you keeping中的keeping为何用进行时

how are you keeping中的keeping为何用进行时 how are you all keeping How are you all keeping track how are you all keeping怎么回答? how are you all keeping是什么意思 how are you 等于how are you all keeping吗 how are you all keeping?后面加all keeping是为什么?怎么讲? how are you all keeping?变为同义句 Hey!guy ,how are you going everything all keeping How are you all keeping?的同义句是什么? What are you all keeping how important is keeping healthy to you