6.This is ________ ball.It's not ________ A.the boy's,girl's B.the boy's,the girl'sC.the boy,the girl D.boys',girls

问题描述:

6.This is ________ ball.It's not ________ A.the boy's,girl's B.the boy's,the girl's
C.the boy,the girl D.boys',girls

B 这是这个男孩的球,不是这个女孩的.