2. Circule a opção correta em cada sentença: Some useful tips for tourists to the UK 1. You should / have to always carry an umbrella. British weather is very changeable and rain is always a possibility. 2. If you want to ask someone a question in the street, you must / should say 'Excuse me! to attract their attention. 3. You must / should drive on the left! 4. You have to / should wear a seat belt at all times in a car. 5. You mustn't / don't have to pay to visit most museums and art galleries. Entrance is usually free. 6. You shouldn t / don't have to leave a tip in a restaurant but if service has been good, 10% extra is a normal amount to leave. 7. If you are sightseeing in London, you must / should buy a Travelcard which gives you cheaper travel on trains, buses, and the London Underground. 8. You mustn't / don't have to smoke in any public building. It is prohibited by law 9. When talking to British people you shouldn't / don't have to ask very personal questions as some people might think this was rude. 10. You must / should go for a trip on the London Eye The view of London from the top is magnificent.