但我不懂.....The window ____a moment ago .No one knew who had done it.A.had been broken B.was broken C.has been broken D.broke我想知道,had跟was有什么关系吗?..为什么不可以选A呢?(汗....)

但我不懂.....The window ____a moment ago .No one knew who had done it.A.had been broken B.was broken C.has been broken D.broke我想知道,had跟was有什么关系吗?..为什么不可以选A呢?(汗....) the open window还是the opening window flew in the window 我马上就要用 人称代词的题目 我提前自学的 所以不懂 Please pass _____ (我们) the ball.我知道答案是us 但我不懂 我想学英语.但我什么不懂, 这题很简单,但我读不懂, 英语翻译一朋友说的,但我不懂, ---who broke the window?----______.A.Him B.He C.He broke D.It is him我当时也选的A .但我不知道为什么.我们老师说要选B,但我总觉得B不对. he would like to sleep with the window ______ at night .A wide openB open widely C widely open D open wide 为什么呢 一点都搞不懂 我打错了 C 选项就是：widely opened The window which hasn't been cleaned for at least 3 weaks requires ____(clean)并且分析这个句子成分,要翻译,我主要不懂hasn't been for 之后的. the broken window the window which is broken the window broken the window which was broken please ---(open)the window. Open the window是什么意思 open the window Near the window with the front window by the window 是什么意思? by the window