资源列表 1.1 U1 A Let's talk.mp3 1.2 U1 A Let's learn.mp3 1.3 U1 A Let's learn 2.mp3 1.4 U1 Letters and sounds.mp3 1.5 U1 B Let's talk.mp3 1.6 U1 B Let's learn.mp3 1.7 U1 Start to read.mp3 1.8 U1 Reading time.mp3
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