她向老师告密说有人偷了试卷。

She ___snitched to the teacher about someone stealing the test papers.

有人趁我不注意顺走了我的钱包。

Someone ___stole my wallet when I turned my back.

那个告密者向老师举报了考试作弊的学生。

The ___snitch reported the cheating students to the teacher.