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IF PEOPLE _________ ENERGY, THERE WILL BE NO SHORT...
IF PEOPLE _________ ENERGY, THERE WILL BE NO SHORTAGE OF ELECTRICI...
195 CAU TRAC NGHIEM FOR 9 P
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26. If people _________ energy, there will be no shortage of electricity.
A. save B. will save C. saving D. would save
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26.
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195 CAU TRAC NGHIEM FOR 9 P