Questions 17 to 20 are based on the passage you have just heard 17. A)To explain why recycling is importart B)To describe the recycling program. C)To discuss whether or not recycling should be mandatory. D)To explain how to find the recycling facilities. 18. A)Because all the trash cans are the same color B)Because not enough people volunteer to collect the trash. C)Because most people don' t like to sort their trash D )Because collections are not made on a regular basis 19. A)Pink B)Green C)Brown D)White. 20. A)To paint the trash cans B)To pick up and sort the trash C)To pick up and deliver the trash. D)To work in the recycling center Part II Reading Comprehension (35 minutes)Questions 17 to 20 are based on the passage you have just heard. 17.A)To explain why recycling is importart. B)To describe the recycling program. C)To discuss whether or not recycling should be mandatory. D)To explain how to find the recycling facilities. 18.A)Because all the trash cans are the same color. B)Because not enough people volunteer to collect the trash. C)Because most people don’t like to sort their trash. D)Because collections are not made on a regular basis. 19.A)Pink. B)Green. C)Brown. D)White. 20.A)To paint the trash cans. B)To pick up and sort the trash. C)To pick up and deliver the trash. D)To work in the recycling center. Part ⅡReading Comprehension (35 minutes)