我刚在微信上给你发了消息，看到了吗？

I just ___pinged you on WeChat, did you see it?

我刚在微信上ping了一下同事确认项目进度。

I just ___pinged my colleague on WeChat to check the project status.

我经常用命令提示符ping一下路由器看看网络是否正常。

I often use the command prompt to ___ping the router to check the network connection.