Underline the correct form of the verb: Active or Passive.
1. The best films are made/make in the USA.
2. The most friendly people in the world are found/find in Mediterranean countries.
3. French restaurants are cooked/cook the world’s best food.
4. The fastest cars are usually driven/usually drive by men.
5. The most important changes happened/were happened in the 1990s.
6. The world’s best paintings were done/do in the nineteenth century.