她从事职业赛跑已经超过十年了。

She has been ___racing professionally for over ten years.

在大学田径运动会上，我曾经常与他比赛。

I used to ___race against him in college track meets.

这次自行车旅行给了我一个在欧洲参加比赛的机会。

The cycling trip gave me a chance to ___race in Europe.