When _____ the kids going to pick apples in the countryside?A.is B.will C.do D.are

问题描述:

When _____ the kids going to pick apples in the countryside?A.is B.will C.do D.are
求原因!

选D be going to do sth
意思是孩子们什么时候去郊外摘苹果?
因为kids是复数所以选D