Passive Voice. Exercises (text with missing gaps)

Passive: Inventors and Inventions

A good or a bad invention?

Our lives (1) _____________________________ (make) better every day thanks to inventions. But sometimes, inventions can make our lives worse. This can happen when an invention (2) __________________________ (not use) according to the inventor’s plan. For example, Alfred Nobel, a Swedish scientist, invented a strong explosive in 1867. It (3) ________________________ (call) dynamite and it revolutionized the world of engineering. After its invention, many bridges, tunnels and other structures (4) _________________________ (build) with the help of dynamite. However, dynamite (5) _________________________ (also, use) to kill people in wars. This upset Nobel. Before his death, Nobel decided to use the money from his famous invention to make the world a better place. A special fund (6) ________________________ (start) in Nobel’s name. Every year, Nobel prizes (7) _________________________ (give) for extraordinary work in science, medicine, literature and the promotion of world peace.

Where is the rice grown?

People usually think that rice (1) ________________________ (grow) in China. But did you know that there’s a place in Spain full of rice fields? They (2) ____________________________ (locate) in north-eastern Spain on the banks of the Ebro Delta at the Riet Vell nature reserve. 300 tonnes of rice (3) ____________________________ (produce) each year. The first rice (4) ____________________________ (plant) here in 2003. Chemicals (5) ____________________________ (not use) in the fields before 2003 so the rice is organic. Lots of birds (6) ________________________________ (help) by the rice fields, including herons and flamingos. The rice (7) _____________________________ (buy) by many countries, including Germany. In 2004 the rice (8)________________________________(give) an organic food award.

How is paper produced ?

add • dry • introduce • invent • mix • not make • not need • produce • use (x2)

Paper (1) _________________________ from wood. The fibres of wood from trees (2) __________________________ with water until they becomes a soft wet pulp, which (3) ___________________________. This method of paper-making (4) _____________________________ in the 2nd century BC in China. However, early writing material (5) ______________________________ (always) from wood. In fact, the word paper comes from papyrus plants which (6) _________________________ by the Egyptians to make a form of paper in 3,000 B.C. When machines for-paper making (7) ____________________________ in the 19th century, paper became easy to afford. Today, one of the problems with the huge production of paper is that a chemical called chlorine (8) ____________________________ to make the paper white. Recycling is important, because chlorine (9) __________________________ and less energy (10) ____________________________ for recycled paper. Passive: Inventors and Inventions A good or a bad invention? Where is the rice grown?