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A. yellow B. same C. color D. at home 參考答案 一 、 ,序數(shù)詞用來表示數(shù)目的順序, September 表示 9月份,即一年中第九個(gè)月, 第九應(yīng)該是 ninth,不是 ninths。s. It isn39。因此在學(xué)習(xí)數(shù)詞時(shí)除全面掌握好基數(shù)詞和序數(shù)詞的構(gòu)成外,還要能正確地掌握兩種數(shù)詞的變化及其用法。 1. September is the _____ month of the year. A. ninths B. ninth C. tenth D. eleventh 2. He wrote a _______ letter. A. fivehundredswords B. fivehundredsword C. fivehundredword D. fivehundredwords 3. We can see _______ stars at night if it doesn’t rain. A. thousand of B. thousands C. thousands of D. thousand 4. The puter of this kind can work ______ than the one of that kind. A. hundred of times