My uncle is thirty-one .Today is his t________ birthday.
题目
My uncle is thirty-one .Today is his t________ birthday.
答案
根据句意,应该是说第三十一个生日,这里要用序数词.31的序数词是thirty-first.My uncle is thirty-one . Today is his _thirty-first_ birthday.我叔叔31岁了,今天是他...
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