The teacher told us that sound___________________more slowly than_英语解答

The teacher told us that sound___________________more slowly than light.
a.travel
b.travels
c.travelled
d.travelling

人气：363 ℃　时间：2020-01-28 06:37:04

解答

b.travels
这是陈述客观真理的,在任何时候都用一般现在时