Помогите пожалуйста!! Complete the sentences. Use will or the future perfect of the verbs in the box. disappear experience improve land move need rise 0 Global temperatures....will have risen....by at least 1 °C by the end of this century. 1 Many of us ...more extreme weather events, such as storms, heat waves and floods. 2 The world ...much more energy in the future. 3 They say that the treatment of cancer ...enormously by 2025. 4 Experts predict that half of today’s languages ...by 2100. 5 More and more people ...from the countryside to cities in this century. 6 They say that people ...on Mars by 2040

1 Many of us will experience more extreme weather events, such as storms, heat waves and floods.
2 The world will need much more energy in the future.
3 They say that the treatment of cancer will have improved enormously by 2025.
4 Experts predict that half of today’s languages will have disappeared by 2100.
5 More and more people will move from the countryside to cities in this century.
6 They say that people will have landed on Mars by 2040.