2021年12月10日「モバイル英語学習」第721号 (英語ジョーク): A correct sentece

Notes
bull 雄牛;
graze 〈家畜が〉(生えている)草を食う;
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Teacher: Correct the sentence, “A bull and a cow is grazing in the field”.
Student: A cow and a bull is grazing in the field.
Teacher: Why?
Student: Ladies first.
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