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SCIENTISTS ARE LOOKING FOR AN ... WAY TO REDUCE EN...
SCIENTISTS ARE LOOKING FOR AN ... WAY TO REDUCE ENERGY CONSUMPTIO...
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1000-cau-trac-nghiem-tieng-Anh-on-thi-thpt-quoc-gia-2018
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470. Scientists are looking for an ... way to reduce energy consumption.
A. effect B. effective C. effection D. effectively
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