“Rewrite the sentences using the words given (in italic) and making any necessary changes to preserve the meaning and grammatical accuracy.”

Original:         The Japanese are designing a housework robot called ‘Home-mate’.
Rewrite:          A housework robot called “Home-mate” is being designed by the Japanese.

Original:         The geo-thermal plant generates sufficient energy to meet the needs of a medium-sized town:
Rewrite:          Sufficient energy to meet the needs of a medium-sized town is generated by the geo-thermal plant.

Original:         Having been invited here tonight makes me feel very grateful.
Rewrite:          I feel very grateful to have been invited here tonight.
 

Original:         It is widely believed that the Americans are developing a new radio telescope.
Rewrite:          The Americans are developing a new radio telescope, which is widely believed.

Original:         The latest computer techniques had been used to produce the visual effects of the film.
Rewrite:          The visual effects of the film had been produced by using the latest computer techniques.

Original:         It was intended to use almost all the robots on display at the exhibition in the factory.
Rewrite:          Almost all the robots were intended for use on display at the exhibition in the factory.

Original:         The air traffic controller immediately took action because he realised that the planes were in danger of colliding.
Rewrite:          Realising that the planes were in danger of colliding, the air traffic controller immediately took action.

Original:         Costs were cut significantly by constructing the buildings within a period of a few months.
Rewrite:          The buildings were constructed within a period of a few months which cut the costs significantly.

Original:         At the end of the month we will close down the power plant operating at present for servicing.
Rewrite:          The power plant which is operating at present for servicing will be closed at the end of the month.

Original:         Pauline is a fine pianist and she has never had any problems with her fingers, whereas John has become ill from his video games.
Rewrite:          Pauline, who is a fine pianist, has never had any problems with her fingers, whereas John has become ill from his video games.

Original:         The film producer made his studio the most advanced in the world by investing heavily in computer graphics.
Rewrite:          The film producer invested heavily in computer graphics, making his studio the most advanced in the world.

Original:         Having learned a practical skill before starting university was very useful.
Rewrite:          It was very useful to have learned a practical skill before starting university.

Original:         Gases from communal waste disposal units are used to heat the buildings
Rewrite:          Buildings are heated by means of gases from communal waste disposal units.

Original:         The storm was so violent that the wooden buildings in the town were completely destroyed.
Rewrite:          The wooden buildings were completely destroyed by such a violent storm.

Original:         The new racing car will be technically superior to anything we have seen so far, according to the mechanics working on it.
Rewrite:          The mechanics say that the new racing car will be technically superior to anything they have seen so far.