file:Longman Children's Picture Dictionary Workbook 2.pdf file:longman chidren's dictionary入门级.pdf file:CPD Teacher's Resource Book.pdf file:50-2对话.mp3 file:50-1长大Growing Up.mp3 file:49-1游乐园The Fair -ground.mp3 file:46-1我最喜欢的衣服My Favorite Clothes.mp3 file:45-1打扮Dress Up.mp3 file:44-1昆虫和小动物Bugs and Little Creatures.mp3