Passive voice

The Earth _________ by billions of people

• inhabits

• is inhabited

• is inhabit

• inhabit

The sun first _______ in the sky 4.5 billion years ago

• was appeared

• appeared

• is appeared

• appear

The fight to save the last Western Black Rhino ____ in 2011.

• lost

• was lost

• losted

• losts

Many new products which help the environment ______ in my country

• are made

• make

• makes

• was made

Leo Hendrick Baekeland _____ the first plastic in 1907.

• created

• was created

• has created

• creates

There are plenty of TV programmes which ____ the problems facing the environment

• show

• are shown

• shows

• were shown

Lots of gadgets that use less electricity _______ in the early-21st century.

• introduced

• were introduced

• is introduced

• introduces

It's really important that information about the environment ______ in all schools.

• is taught

• are taught

• taught

• teaches

I ______ by my teacher to write an essay about the environment.

• asked

• was asked

• ask