![grammatical number - What is the etymology of a pair of trousers - English Language & Usage Stack Exchange grammatical number - What is the etymology of a pair of trousers - English Language & Usage Stack Exchange](https://i.stack.imgur.com/ncPBF.jpg)
grammatical number - What is the etymology of a pair of trousers - English Language & Usage Stack Exchange
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English Grammar in Use Countable and uncountable nouns The Singular and plural 情景语法 5 :名词. - ppt download
Learning English with Cambridge - Did you know that some nouns only exist in plural form? 👖 They include the names of tools, instruments and articles of clothing which normally have two
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