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
Unit 7 I Had a Good Time - 课文1讲解
922
Unit 7 I Had a Good Time - 课文2讲解
1231
Unit 8 New Year's Party - 单课文1讲解
923
Unit 8 New Year's Party - 单课文2讲解
844