extra reading read the text. are the sentences (t) true or (f) false? correct the false sentences. 1 expo-2017 lasted four months 2 the main aim of the exhibition was to sell new technology 3 there were over two million visitors at the exhibition. 4 a 'smart city uses 'green' technology or energy. 5 the kazakhstan pavilion was a celebration of international culture. 6 visitors to the exhibition only stayed in astana. Пжжжж посчитайте Срочна​