Do the quiz. Mark the sentences as T (true) or F (false). QUIZ 1 You mustn't wear a hat under your bicycle helmet. 2 You should cycle close to cars. 3 Trees give us oxygen. Cars give out harmful gases. 5 You must know every street in London to drive a black cab. 6 A rickshaw tour in China is very expensive. 7 People can travel around the island of Ko Ngai in a longtail boat. 8 Every station of the Almaty metro is the same.