This computer centre is_____larger than that one in the area.A.one sixth B.four ninth C.fifth four D.two third为什么答案是A 不能选B和D?

National computer centre是什么机构 THE COMPUTER CENTRE,-------LAST YEAR IS VERY POPULAR AMONG THE STUDENGTS IN THIS SCHOOLA OPENB OPENINGC HAVING OPENEDD OPENED The computer centre,_________ last year,is very popular among the students in this school.A.open B.opening C.having opened D.opened this centre number invalid什么意思 centre This computer is This computer centre is_____larger than that one in the area.A.one sixth B.four ninth C.fifth four D.two third为什么答案是A 不能选B和D? The computer centre ,______(open)last year,is very popular among the students in this school.请问像这类题怎么区分 我可以认为是电脑中心 本身开业 用现在分词么 The computer centre,_last year,is very popular among the students in this schoolA open ,B opening C having D opend不是逗号后面用原型的么..为什么不是A啊 The computer centre,_________ last year,is very popular among the students in this school.A.open B.opening C.having opened D.opened B怎么错了open不是有不及物动词开业的意思么 How much is this computer?---the --- --- this computer? 英文is this the computer Whose computer is this.[同义] Do you think the computer game centre is a good place___(meet)friends? This is a computer对computer怎么提问 This is a computer对 a computer提问 非谓语动词 什么时候用过去分词done 什么时候用having been done?比如 the computer centre,(opened)last year is very popular among the students in this school明明有last year这个时间提示了 为什么不用 having been done呢 the computer centre,__last year is very popular among the students in this schoolA open B openingC having openedD opened解释下为什么1楼的。有点英语常识好么。你说的和问题都不沾边。为什么是用被动啊？谁给我解释