riding

我经常看到骑自行车上班的人。

I often see cyclists ___riding to work.

他从小就学会了骑马。

He learned ___riding horses when he was a child.

他驾驶摩托车快速行驶。

He is ___riding his motorcycle at high speed.

他们喜欢骑马穿过森林。

They enjoy ___riding through the forest on horseback.

骑马是一项有趣的运动。

___Riding is a fun sport.