他们正在打电话吗？

Are they talking on the phone?

youdao

他们正在打电话。

They are talking on the phone.

youdao

你打电话来时，他们正在打网球。

They were playing tennis when you called.

youdao

过了几天，邻居打电话来约他们去购物，说阵亡将士纪念日商店正在打折。

Their neighbor calls to invite them to go shopping-the Memorial Day sale is on.

youdao

过了几天，邻居打电话来约他们去购物，说阵亡将士纪念日商店正在打折。

Their neighbor calls to invite them to go shopping-the Memorial Day sale is on.

youdao