小测验：选择正确的单词

1. She informed him that he has a two o'clock appointment.
   她通知他两点有个会议。
2. He informed them that his mother had died.
   他告诉他们他的母亲去世了。
3. We must inform the police.
   我们必须通知警方。
4. One of the prisoners informed on the rest of his group.
   一个罪犯告发了犯罪团伙的其他成员。
5. One thief informed against the others.
   一个贼告发了其他的贼。

　1个形容词解释