11 小写字母综合复习
26 个小写字母与最高频单词综合练习，巩固全部键位。
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as is at be by do go he if in it me my no of on or so to up us we the and for are you not her was one our out day get has him his how man new now old see two way who boy did its let say she too use can
左小指
左无名指
左中指
左食指
右食指
右中指
右无名指
右小指
拇指
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