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To recognize and use the indefinite articles to talk about things that are countable.
识别并使用不定冠词谈论可数名词。
youdao
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To recognize and use countable and uncountable nouns.
识别并使用可数名词和不可数名词。
youdao
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To recognize and use countable and uncountable nouns.
识别并使用可数名词和不可数名词。
youdao