telephones help people from different countries____ ____ _____ ____(互相联系)

问题描述:

telephones help people from different countries____ ____ _____ ____(互相联系)

to contract each other.我记得有一个是什么in touch的?keep in touch但互相就加不上了,呵可~~~~~~~~~~~~~~~~~~~~~祝你进步,有疑问可追问,请及时采纳~~~~~~~~~~~~~~~~~~~~