his ball is under the table改为复数句怎么改

his ball is under the table改为复数句怎么改
his ball is under the table改为复数句怎么改

his ball is under the table改为复数句怎么改
His balls are under the tables.

His balls are under the table

吼吼，楼上还改的不彻底：
Their balls are under the tables.
全都可以变复数啊。^_^