His friend told me that he doesn't have a girlfriend, but I'm not sure.

他的朋友跟我说他没有女朋友。可我还是不清楚。

I want to 实战 - SpeakingMax英语口语达人

Just recently, a friend told me that she's leaving her research lab,

就在最近，我的一个朋友跟我说她要离开她的研究实验室了，

认识更多人 - SpeakingMax英语口语达人