超音速飞机的移动速度可以比声音更快。

Supersonic planes can ___travel faster than the speed of sound.

事故的消息传播得很快。

News of the accident ___traveled fast.

我在那里待一周，我们想骑自行车环游荷兰。

I'm spending a week there and we want to ___travel around Holland by bicycle.