what would happened if sth.hadn't been invented?what would have happened if the telephone hadn't been invented?and television ,internet

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what would happened if sth.hadn't been invented?what would have happened if the telephone hadn't been invented?and television ,internet
what would happened if sth.hadn't been invented?
what would have happened if the telephone hadn't been invented?and television ,internet

what would happened if sth.hadn't been invented?what would have happened if the telephone hadn't been invented?and television ,internet
你不会提这个问题,你是外国人吗?哎呀,能和外国打上交道,真是倍感荣幸啊,外国人,能不能加你啊,我想学英语.