SOS GIÚP E VS Ạ . E ĐG CẦN GẤP It is a computer drawing of the (31)_____ of the future. British engineers and scientists have published plans for a new hypersonic plane (32)_____ the A2. It will be very fast. At the moment, a flight from London in the UK to Sydney in Australia (33)_____ about twenty-one hours but with the A2 the same flight will take about four hours. The flight will (34)______at 4,5000 kilometres per hour and will fly at an altitude of over 10,000 metres.It will carry 300 passengers but it (35)_______ have any windows because scientists havent found glass that is strong enough. It (36)_______ be better for the environment (37)__ _____other planes because the engines wont produce gases that cause pollution. In the future, will people travel (38)_____ London to Australia for the Weekend? - Its possible! But how much will a ticket cost? The planners say that it wont be very (39)______ about £2,000. The A2 will be (40)________for its first flight in 2020.