如果你不能来开会，请打电话给我。

Please ___telephone me if you can't make it to the meeting.

你可以晚上7点后打电话到我家。

You can ___telephone me at home after 7 pm.

我需要打电话给我妈妈，告诉她我会晚点到。

I need to ___telephone my mom to tell her I'll be late.