what brought it about?是什么意思,语法对吗

what brought it about?是什么意思,语法对吗 what brought this about?是什么结构? “what day will it is tomorrow?”语法对吗? what happened?语法对吗 求翻译：what problems are brought about by the internet? Please use your mind to think about it!这句话语法有对吗? what is it about what about it 意思 what this about it what is it about! 分析下面英语的语法WHAT DATE IS IT TODAY?WHAT IS THE DATE?都对吗 WHAT DAY what is it about it?