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 Richter 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.
1. was hit
2. were destroyed
3. is being control
4. is be seen
5. are measured by
6. are should built
7. weren't being warming