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What can you see PartA&B.ppt
A.mp4
B.mp4
boat_128k.mp3
cloud_128k.mp3
lake_128k.mp3
mountain_128k.mp3
river_128k.mp3
sea_128k.mp3
star_128k.mp3
the_moon_128k.mp3
the_sun_128k.mp3
U3As001.mp3
U3As002.mp3
U3As003.mp3
U3As004.mp3
U3As005.mp3
U3As006.mp3
U3As007.mp3