問題詳情
22 Is it hard to produce ethanol? The answer is“No.＂Without too much effort, producing ethanol from sugar cane inBrazil could replace 10 percent of global gasoline fuel. No wonder there’s talk of Brazil’s fast______ “the SaudiArabia of ethanol.”
(A) become
(B) to become
(C) becoming
(D) became
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