请问我这个句子的语法对吗?
Firstandforemost,noonecoulddenythattheInternet,whichwascreatedbytherapidlydevelopedscienceandtechnology,isthemostconvenientwaytocommunicateamongpeople.SincetheInternetwasinvented,wecansende-mailstoourfriendswithinsomeseconds.Wecouldkeepintouchwithourfamilieswhereverweare.BeforetheInternetwascame,itishardlycommunicatewithmymotherwhenIwentabroadtostudy.
谢谢各位!
那请问before到底能用在哪里呢?句首应该如何用呢?
抱歉又多问了个问题。。。