根据句意及首字母提示填空。

1. Wait a moment, please! I have to t____ my shoes.

2. S____ wear green uniforms to help them hide in the forest.

3. All the airline p____ should wear uniforms on the plane.

4. Because of bad weather at the a____ now, we can't get on the plane on time.

5. All the police o____ in the police station used to have a regular meeting once a week.