目录 字母启蒙 Let's learn a b c d e f g h i, j k l m n o p, q r s t u, v, w x, y, z Let's practice The alphabet sounds Letter sounds a-i Letter sounds j-r Letter sounds s-z Letter shapes First letter sounds Three-letter words More three-letter words Capital letters Letter match Upper-and lower-case letters First letter sounds practice ck and ee ai and oa Missing letters Answers …… 自然拼读 高频词 书写训练 综合训练 单词大书
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