Помогите с англ пожалуйста

1. Should i book early to get a good price?

Yes, you should.

2. Can i choose my seat?

No, you can't.

3. Do i have to take some form of ID?

Yes, you do.

4. Do i have to take my birth certificate?

No, you don't.

5. May i do some shopping at the airport?

Yes, you may.