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Read the passage and mark the letter A, B, C or D that best fits each of the numbered blanks.

Water is our life source. It makes (38) __________ 70 percent of our bodies, and an average person actually spends 18 months of his life in the bath or shower. But we are only now learning how to look after water. Acid rain has (39) __________ as many as 18,000 lakes and seas and the rivers are polluted with waste products. It is now very expensive to try to repair the damage (40) __________ has been done. We have some hope for the future, though, (41) __________ new sources of water have been discovered. People living in the Sahara Desert have found fish swimming in deep underground streams. Scientists also believe there is a huge lake underneath London. If we have learnt anything from our mistakes, we will try to keep these new areas of water (42) __________.

Question 38. A. up B. down C. of D. from
Question 39. A. polluting B. pollute C. to pollute D. polluted
Question 40. A. who B. what C. which D. whom
Question 41. A. so B. because C. if D. and
Question 42. A. clean B. cleanly C. cleaned D. cleaning

Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction.
Question 43. That girl always (A) walk (B) to (C) school with (D) us.
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