Nobody knew that light ()(travel)much faster than sound at that time 动词填空.
问题描述:
Nobody knew that light ()(travel)much faster than sound at that time 动词填空.
答
travels
在那个时候,没有人知道光比声音传播快得多。
光传播速度比声音快,这是客观真理,客观真理时态用一般现在时。
答
trasvels
答
trasvels客观真理做宾语从句,仍然用一般现在时