Theworld'ssuppliesofpetroleum_______. A: havebeengraduallyexhausted B: havegraduallyexhausted C: arebeinggraduallyexhausted D: aregraduallyexhausted
Theworld'ssuppliesofpetroleum_______. A: havebeengraduallyexhausted B: havegraduallyexhausted C: arebeinggraduallyexhausted D: aregraduallyexhausted
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