介绍:
It was dad’s birthday
Dad had a cake
He had a bike
Dad on the Bike
"Go on，Dad," said Biff
"Go on，Dad," said Chip
"Go on，Dad," said Kipper
Dad fell off！
Oh no！
参考词汇:birthday gift ／present 生日礼物，birthday cake 生日蛋糕，birthday party 生日派对，stationary bike 健身车，get on 上去，whoops 哎呀，fell off 掉下来，sniff 用鼻子吸，candle 蜡烛
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