这次会议给了我一个提升演讲技能的机会。

This meeting gives me a ___chance to improve my public speaking skills.

你很有机会赢得这场比赛。

You have a good ___chance to win this game.

他决定冒险把车停在禁止停车区。

He decided to ___risk parking in the no-parking zone.

我在图书馆偶遇了我的老同学。

I ran into my old classmate by ___chance at the library.