根据句意及首字母提示填写单词。

1. The children are wearing all kinds of animal m________ at the make-up party.

2. She is p______ playing the piano in the music room.

3. There are s________ books about biology on the bookshelf.

4. Our principal p________ the school team for their good performance (表演).

5. Tom gets up e______. He is often the first one to get to school.

旅游者如果在自由活动中走失，导游员得知后首先应（ ）。

A．自行寻找

B．立即报告组团社

C．立即报告公安机关

D．立即报告地接社