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If these new methods don’t work,we’11 have to__________our old system.A.fall through###SXB
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If we had enough time to prepare, the result______ much better.A.would beB.would have been
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Its time that we ______ firm measures to protect our environment.A.have takenB.tookC.are t
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If John_____to the university, he would have to work hard.A.had goneB.were to goC.wentD.wa
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If you have really been living in France for so many years, its about time you ______ able
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If we_____all night we_____in time; but we have no intention of working all nightA.work, w
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Employees may have better morale if______.A.they have more time to restB.a computer is use