摘要: 基本用法: 1) a / an 放在单数可数名词前,the 则可置于单数名词.复数名词和不可数名词前. 2) a / an常泛指某一人或事物,the表特指的人或事物.如: A boy was sitting there just now. Do you know the boy sitting there?

网址:http://m.1010jiajiao.com/timu3_id_2959692[举报]

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网