英语问题
The silence of the library ___ only by the sound of pages being turned over. A.has been broken eaks oke D.was broken 解析：选D。从题意可看出图书馆的安静时有翻书声被打破的，要用被动。再从"being turned over"看出不必用完成时。 再从"being turned over"看出不必用完成时。 这是什么意思？
答：选D.句子主语是silence故应该用被动形式B,C排除.根据句意,教室很静只能听到翻书的声音,应该是表达一个持续的状态,而A现在完成时,表示一结果,意思不恰当...详情>>
答：I haven't window molding catalogs on hand. catalogs 产品目录 haven't ~ something ~ o...详情>>
问：working hard vs. hard working
答：there are no defferent.详情>>
