九年级英语Grammar Focus 全部翻译拜托各位大神

when was the car invented? 汽车是在什么时候发明的? It was invented in 1885 在1885年发明的 when were electric slippers invented? 电子拖鞋是什么时候发明的 they were invented last year 他们是在去年发明的 who were they invented by 谁发明的它们 they were invented by julie thompson朱莉·汤普森 他们发明的 what are they used for 它们是用来做什么的?theyre used for seeing in the dark他们用来在黑暗照明 补充： 这是九年级九单元的

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