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.