1 . For now, the percentage of protein in the hybrid rice is still________ ( fair) low. (所给词的适当形式填空)
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2 . The weather was ________ (fair) fine so we could go camping yesterday. (所给词的适当形式填空)
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3 . This is a ________ (fair) useful tool.(所给词的适当形式填空)
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2021高三上·全国·专题练习
4 . Steam engines ________ (use) to pull the carriages and it must have been ________ (fair) unpleasant for the passengers, with all the smoke and noise.(所给词的适当形式填空)
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5 . Steam engines were used to pull the carriages and it must have been________ (fair)unpleasant for the passengers, with all the smoke and noise.(所给词的适当形式填空)
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