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最佳答案:the second day 要加的啊
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最佳答案:加a表示又一次,不管序数词是什么.如:He failed again,but he wanted to try a second time.想又失败了,但他想再
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最佳答案:例句:Which sentence should come fifth in the paragraph ?哪个句子排在本段第五(句)?序数词此时用作副词,不用