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old前为什么用an
更新时间: 2020-10-31 00:00:00  

old首字母o的发音是元音,所以要用an。an用在以元音字母a、e、i、o、u开头,或以不发音的h字母开头的单词前面。an还用在发音以元音开头的单个字母前面。而a用于辅音音素开头的可数名词前。a、an是不定冠词。不定冠词用来表示这个冠词后面的名词是指某一类特定事物中的一个,但具体是哪一个并不重要。

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