如何使用 "informer" 造句

1. One businessman says it happened because the man was an informer .
一个商人表示,之所以发生此事是因为这名男子是一个告密者。
2. The police have informer in the london underworld .
警察在伦敦的下流社会中有告密者。
3. The detective called his informer to meet him .
这位警探打电话约他的线人见面。
4. E-mail informer will save your time !
电子邮件举报人将可节省您的时间!
5. The informer 's told us where the command bunker is .
情报员告诉了我们他们的司令部在哪里。