2.2. Заполните пропуски, поставив глаголы в правильной форме, используя Present, Past , Future Simple: Many years ago

Many years ago different natural disasters 1) happened on our planet. People 2) suffered from hurricanes, tornadoes, floods, droughts and volcano eruptions which 3) destroyed cities, 4) carried away houses and even farm animals. People 5) lost their homes. Many of them 6) died during terrible earthquakes and hurricanes.Nowadays scientists 7) try to predict these catastrophes. Emergency workers together with the police and the army 8) help people in difficult situations.Hopefully in the future researchers 9) will learn more about nature and 10) will invent new machines and devices which 11) will help to predict all possible dangers. People 12) will have a better chance to protect themselves.