Complete the sentences, with the correct passive form of the verbs given.
1. New Orleans (hit) by Hurricane Katrina in 2005.
2. Throughout history, a number of cities(destroy) by volcanoes.
3. Some experts think the weather (control) by humans one day.
4. Some forest fires can (see) from space.
5. The strength of earthquakes (measure) using the Richer Scale.
6. In areas where earthquakes are common, houses and flats should (build) in a special way so that they don't collapse easily.
7. When the tsunami hit Indonesia in 2004, people( not warn) of the possible danger.
