the boys are [singing and dancing]【对划线部分提问】he,s playing basketball in the playground改复数

问题描述:

the boys are [singing and dancing]【对划线部分提问】he,s playing basketball in the playground改复数

What are the boys doing?
They are playing basketballs in the playgrounds.

What are the boy doing ?
They're playing basketballs in the playgrounds

What are the boys doing?
They are playing basketball in the playground.