—When ___ the car ___?—Sorry. I don't know.[ ]声明: 本网站大部分资源来源于用户创建编辑，上传，机构合作，自有兼职答题团队，如有侵犯了你的权益，请发送邮箱到feedback@deepthink.net.cn 本网站将在三个工作日内移除相关内容,刷刷题对内容所造成的任何后果不承担法律上的任何义务或...
I think it was invented in ... / I think (the telephone ...) was invented before / after ... Who was it / were they invented by? It was / They were invented by ... What is it / are they used for? It is / They are used for ... What do you think is the most helpful...
C. hoped to know how the machine worked D. expected it to be used in modern scientific research 75. Which of the following statements is TRUE about the old machine? A. It has 35 gears on it. B. It has a spiral dial. C. It was invented about 100 years ago. ...
C. hoped to know how the machine workedD. expected it to be used in modern scientific research75. Which of the following statements is TRUE about the old machine?A. It has 35 gears on it.B. It has a spiral dial.C. It was invented about 100 years ago.D. Its gears have many ...