Unit 1 Is it fun at school? Unit 2 Let's go out and play Unit 3 You naughty little thing! Unit 4 "On" or "no" Unit 5 She's got everything beautiful for us Unit 6 We've got a lot of fun in the playroom Unit 7 Carnations for my mother Unit 8 I like picture books Unit 9 A fruit salad Unit 10 Musical chairs Unit 11 TV news Unit 12 A bird 附录1：代词 附录2：缩写