二年级上册U4

LET'S LEARN:00:01-00:46
PIGGY BANK:00:47-01:40
LET'S PLAY:01:41-02:16
PIGGY BANK:02:17-02:45
LET'S SING:02:46-04:09
LET'S CHANT:04:10-05:25
PIGGY BANK:05:26-05:56
LET'S TALK:05:57-06:49
PROJECT:06:50-07:09
STO:07:10-09:19
BOB:09:20-10:30