London's buses carry around 4 million every day, and bus_________cover over 1,800 miles of the capital's roads. The familiar double-decker_______are one of the most distinctive sights in London and no________to London would be complete without a trip on one. The most famous design with an open passenger________at the rear of the bus, dates back to the 1950s. Вставыты пропущеные слова