谁消灭了电动车 WHO KILLED THE ELECTRIC CAR怎么样

谁消灭了电动车 WHO KILLED THE ELECTRIC CAR怎么样 关于定语从句先行词的问题We can't forgive the man who was killed.（我们不能原谅那个被杀的男人.）如果把这句话中的先行词who省略掉,则语句变成：We can't forgive the man was killed.那么问题就来了,省略 a memorial service for the police officer killed中,who were是不是被省略了?为什么可以省略呀? There are about 70 people _____ in the accident .A.Were killed B.who killed C.Killed D.Killing 理由? 如何消灭蝉（俗称知了）我家楼下的知了成灾了,谁有什么消灭的好 He ( ) be the person who killed Mary because he was with me last...下列选项哪个正确,为什么?He ( ) be the person who killed Mary because he was with me last night the whole night and ( ) it.A can't...could not do B may not ... could 地球消灭了.人类怎么办? 西周消灭了哪些国家 效应T细胞如何消灭入侵病毒? 谁杀死了知更鸟Who killed Cock Robin 谁杀了知更鸟?是我,麻雀说,用我的弓和箭,我杀了知更鸟.谁看见他死去?是我,苍蝇说,用我的小眼睛,我看见他死去.谁取走他的血?是我,鱼说,用我的小碟子,我取 活化的细胞毒性T淋巴细胞能识别病原体并能消灭,这句话为什么错了? 电动车烧汽油了还是电动车吗? 电动车怎样才算超标电动车了 电动车电机进水了 怎样才能彻底消灭蟑螂?最近天气潮湿,家里蟑螂特别多,打了又有,怎么都打不完,谁有彻底消灭蟑螂的办法啊? 宿主细胞表面呈递的抗原-MHC复合体被细胞毒性T淋巴细胞识别后细胞毒性T淋巴细胞直接把宿主细胞消灭了吗? 国共两党在抗日战争中分别消灭了多少敌人?谁的贡献大? ------ many people were killed in this accident.A. It is said that B. It says C. It was said who D. It was said that我的书上参考答案是A, 但句子用了were killed, 不是应该用it was said that 吗?求解释