V. Read the following passage and choose the best answer to fill in each blank. There is now an amazing new car that can run on air. It is cheap, creates no pollution and costs almost (21)_________ to run. The new CAT (compressed air technology) car was (22) _________display at the Paris motor show. The car was invented by a Frenchman Guy Negre. He has spent the last six years (23) _________his idea and has now produced a car that can travel up to 120 miles (200 kilometres) on one tank of compressed air and reach speeds of up to 65 mph (110 kph). The car will cost around 7,000 pounds and will come complete with (24)_________own refuelling system. There is a problem with the car though. It will take around four to five hours to refuel. A high speed refuelling station has been designed, (25) _________this will cost around 70,000 pounds. 21. A. anything B. nothing C. something D. everything 22. A. on B. in C. by D. at 23. A. develop B. to develop C. developing D. developed 24. A. their B. our C. his D. its 25. A. but B. and C. or D. so