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many years ago Pasteur discovered a way of keeping germs out of wine .He________(finds/found/had found) that if wine___________(is heated/heated/was heated)gently below the boiling point,germs which make wine sour________(are killed/were killed/killed). |
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Answer» MANY YEARS ago, Pasteur discovered a way of keeping germs out of wine .He found that if wine is HEATED gently below the boiling point,germs which make wine SOUR are KILLED . |
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