B let's learn.pptx
同步练习.doc
教案.doc
B Let's chant.mp4
B Let's learn.mp4
B Let's sing.mp4
Finger Family Song.mp4
《社会正能量》Family.mp4
A Let's chant.mp3
B Let's chant.mp3
B Let's learn.mp3
brother.wav
grandfather.wav
grandma.wav
grandmother.wav
grandpa.wav
sister.wav