根据所给汉语完成句子:他们正在谈论篮球.They are ________ ________ basketball.他们正在谈论篮球.They are ________ ________ basketball.

问题描述:

根据所给汉语完成句子:他们正在谈论篮球.They are ________ ________ basketball.
他们正在谈论篮球.They are ________ ________ basketball.

talking about

They are talking about basketball

TALKING ABOUT