IV. Read the text and choose the correct answer A, B, c or D for each of the gaps. Although the world’s energy resources have

IV. Read the text and choose the correct answer A, B, c or D for each of the gaps.
Although the world’s energy resources have(31)_____many millions of years to produce, we are(32) _____beginning to exhaust these supplies. Recently UN committeereported that(33) _____world’s oil and gas supplies would last about 100 years if used(34) _____.
The report stated that there would be enough oil and gas for a(35) _____only if the present demand could be(36) _____. If the demand continued (37) _____grow, the report said that fuel supplies would last for less than forty years. According to the report,(38) _____governments now take steps (39)_____control the amounts of fossil fuels(40) _____are used.
31. A. made B. taken C. used D. spent
32. A. quickly. B. fastly C. carefully D. slowly
33. A. a B. an C. the D.x
34. A. careless B. wasteful C. quickly D. carefully
35. A. year B. decade C. century D. millennium
36. A. controlled B. controlling C. control D. to control
37. A. at B. on C. in D. to
38. A. the B. a C. an D. X
39. A. for B.by C. to D. with
40. A. who B. whom C. when D. that