我踩到了乐高积木，小脚趾疼得要命。

I stepped on a Lego block and my little ___toe hurts terribly.

这双运动鞋的鞋头部分有透气网布。

The ___toe of these sneakers has breathable mesh fabric.

老师要求学生严格遵守课堂纪律。

The teacher asked students to ___toe the line in classroom behavior.