I'm not sure whether I can gain any profit from the investment, so I can't make a (an) ______ promise to help you.
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It can be inferred from the passage that ______.
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A.after
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Which of the following is the best title for the passage?
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To our ______, Geoffrey's illness proved not to be as serious as we had feared.
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A.dragged
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The shop assistant was dismissed as she was ______ of cheating customers.
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According to the text, genetic engineering can be used to ______.
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A.origins
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A.take
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