YOU SHOULD TAKE BUS NUMBER 23 AND GET …….AT REGENT SQUARE.A. OFF B...

85. You should take bus number 23 and get …….at Regent Square.a. off b. up c. down d. outsideIII. Choose the best answer to complete the passage Everyone wants to reduce pollution. But the pollution(1---) is as complicated as it is serious. It is complicated (2----) much pollution is caused by things that benefit people. For example, exhaust (3---) automobiles causes a large percentage of all air pollution. But the automobile provides transportation for (4--) people. Factories discharge much of material(5----) air and water but factories give employment to a large number of people. Thus (6----) or greatly reduce pollution immediately, people would have to stop using many things that( 7----) them. Most of the people do not want to do that, of course. But pollution can be gradually reduced (8----) several ways. Scientists and engineers can work to find ways to lessen the amount of pollution that such things as automobiles and factories cause. Governments can pass and enforce laws that (9----) businesses and traffic to stop or cut down on certain(10--) activities.