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推荐于2016-02-12
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表示数目的词称为基数词。如,eleven,twelve, thirteen, fourteen, fifteen, sixteen, seventeen,eighteen, nineteen. 这里除 eleven, twelve, thirteen, fifteen, eighteen为特殊形式外,fourteen,sixteen,seventeen,nineteen都是由其个位数形式后添加后缀-teen构成。
追答
练习,1、It was founded on _____.A.July 1,1921 B.October 1,1949 C.August 1,1927 D.May 1,1922。 2、It took me ______ to find the key to the drawer. A.one and a half hours B.one and half hour C.one and half hours D.one and a half hour
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