Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he quickly built his own device from an organ pipe and spectacle lenses.
Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he
Galileo had not invented the telescope, but when he heard, in 1609, of such an optical instrument having been made,
Galileo, even though he had not invented the telescope, on hearing, in 1609, that such an optical instrument had been made, he
Even though Galileo did not invent the telescope, on hearing, in 1609, that such an optical instrument had been made,
Even though Galileo did not invent the telescope, but when he heard, in 1609, of such an optical instrument being made, he
B but后边不是完整句子,C句子成分错了,两个主语 D 主句残缺 E无主句
登录 或 注册 后可以参加讨论