Решение:
Нужно вставить глаголы в правильной форме.
- Peter: You have (have) traffic wardens in your country?
- Pedro: No, I do not think (not think) so.
- You do not see (not see) them in my town anyway.
- What exactly a traffic warden does (do)?
Ответ: have; do not think; do not see; does.