---How did you communicate with each other?---( ) the Internet.A.In B.By C.At D.With

问题描述:

---How did you communicate with each other?---( ) the Internet.A.In B.By C.At D.With

By吧,不敢确定,通过因特网与人交流,如果说‘在’因特网用on好像合适些

by,by表示通过,借助于.