1. 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. ​