Having been used for many years,__ of the road is broken.1 part 2 a part 3 parts 为什么要选1而不选2 ,

Having been used for a long time,the computer needs repairing.1 Having been used for a long time,the computerneeds repairing.2 To have been used for a long time,the computerneeds repairing.3 Used for a long time,the computerneeds repairing.三个哪 Having been used for many years,my bike needs___A to repair B to be repaired Cbeing repairedD repaired local variable 'x' used without having been initialized是什么意思 warning C4700:local variable 'L' used without having been initialized local variable 'd' used without having been initialized是什么意思 local variable 'S' used without having been initialized Having been used for many years,__ of the road is broken.1 part 2 a part 3 parts 为什么要选1而不选2 , Having been used for many years,the bike needs repairing.不是说现在分词的完成式无论主被动都不能作定语的么? local variable 'n' used without having been initialized#includemain(){int n,m,k,l,v=0;m=n/100;k=n%100/10;l=n%10;for(n=100;n He felt bad for ______ a chance to study abroad.a.having not given b.not having given c.having not been given d.not having been given Tony was very unhappy for _________to the party． A. having not been invited B. not having invited C. having not invited D. not having been invited 英语翻译Every possible means____to work out the problem,but it is too difficult for usa.is used b.are used c.has been used d.have been used Having been in high school for a whole month.请问这句话为什么开头用having been?是什么语法知识? I have lived here for three years.I( )eating rice A.used B.used to C.have been used to Having been living there for many years,she knew the town very well.句首能用Having been living吗?Having lived 请问下面这个警告表示什么意思?warning C4700:local variable 'a' used without having been initialized 但是定义了之后又有提示warning C4700:local variable 'count' used without having been initialized 3.A coat can_____ for keeping warm.A.be used B.is used C.been used D.used选A,讲一讲为什么