A.BE USED 27. C.THE SUN 28. B.ROOFS 29. C.ARE 30. D.NON-POLLUTINGV...

26. A.be used 27. C.the sun 28. B.roofs 29. C.are 30. D.non-pollutingV - Read the following passage, then choose the correct answer to questions 31 - 35. (0,4)