A
即(Does ) everyone( exercise )in your family every day?
everyone 作主语谓语动词要用单数,实义动词作谓语要加助动词does,后面的动词要用原形.
意思：你家的第个人每天都锻炼吗?
exercise 什么意思exericise 在这里作动词，意思是：‘锻炼’