【正文】
My birthday is in January. It’s on January 1st. My birthday is in August. It’s on August 5th. When is Easter? It’s on April 5th. It’s on April 1st. When is April Fools’ Day? first 1st 2nd third 3rd fourth 4th fifth 5th second one two three four five 基數(shù)詞 序數(shù)詞 縮寫 four six seven sixth fourth eight nine ten five 基數(shù)詞 序數(shù)詞 8th 9