作业帮Light_______(travel)much faster than sound.
来源：学生作业帮助网 编辑：作业帮 时间：2024/04/29 19:15:14
Light_______(travel)much faster than sound.
Light_______(travel)much faster than sound.
Light_______(travel)much faster than sound.
travels,因为这是客观真理,永远用一般现在时
Light travel much faster than sound.
travels
travels