玻璃碎片扎破了我的自行车轮胎。

A piece of glass ___punctured my bike tire.

老师的严厉评价打击了他对演讲比赛的信心。

The teacher's harsh feedback ___punctured his confidence in the speech contest.

我的自行车轮胎上有个小洞，需要修补。

There is a small ___puncture in my bicycle tire that needs to be fixed.