Unit 1 It's Time to Play the Violin - 课文1讲解
1500
Unit 1 It's Time to Play the Violin - 课文2讲解
893
Unit 2 I'm Healthy - 课文1讲解
900
Unit 2 I'm Healthy - 课文2讲解
642
Unit 3 Care for the Earth - 课文1讲解
825
Unit 3 Care for the Earth - 课文2讲解
686
Unit 4 Let's Go on a Picnic - 课文1讲解
692
Unit 4 Let's Go on a Picnic - 课文2讲解
952
Unit 5 It Was Here Just Now - 课文1讲解
1118
Unit 5 It Was Here Just Now - 课文2讲解
834
Unit 6 What Did You Do Last Weekend - 课文1讲解
984
Unit 6 What Did You Do Last Weekend - 课文2讲解
867
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