I knew that light______(travel)faster than sound three years ago.

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/09 11:17:42
I knew that light______(travel)faster than sound three years ago.

I knew that light______(travel)faster than sound three years ago.
I knew that light______(travel)faster than sound three years ago.

I knew that light______(travel)faster than sound three years ago.
travels
光比声音传播得快,是一般事实.虽然句子时态是过去时,但这里填一般时即可.light,光,是单三,所以是travels.
I knew that light  _travels_ faster than sound three years ago. 我三年前就知道光的传播速度比声音快(这件事)了.

I knew that light travels faster than sound three years ago.
Travel 要加 S 因为light 是第三人称单数。
【公益慈善翻译团】为你真诚解答!

travels客观事实。一般现在时

你好!

travels
客观真理用一般现在时

百度教育团队【海纳百川团】为您解答
如满意,请点击“选为满意答案”按钮,谢谢~

填travels 因为这是事实,客观真理性的,所以要用travels
I kenw that light travels faster than sound three years ago.
翻译:
三年前我就知道光比声音速度快。