There are some children heiping the old.改为单数

来源：学生作业帮助网编辑：作业帮时间：2024/04/30 19:51:57

There are some children heiping the old.改为单数
There are some children heiping the old.改为单数

There are some children heiping the old.改为单数
There is a child heiping the old

There is a child helping the old

There is a child helping the old.

There have a child heiping the old

There is a child heiping the old