他们正在打篮球，是不是？

They are playing basketball, aren't they?

youdao

如今他们正在打篮球。

They are playing basketball now.

youdao

现在他们正在打篮球。

They are playing basketball now.

youdao

目前他们正在打篮球。

They are playing basketball now.

youdao

他们正在打篮球。

They are playing basketball.

youdao

他们正在打篮球。

They are playing basketball.

youdao