【Unit1】Hello again_A 【Unit1】Hello again_B 【Unit2】How old are you？_A 【Unit2】How old are you？_B 【Unit3】What are you？_A 【Unit3】What are you？_B 【Unit4】My school_A 【Unit4】My school_B 【Unit5】A new classmate_A 【Unit5】A new classmate_B 【Unit6】About me_A 【Unit6】About me_B 【Unit7】My body_A 【Unit7】My body_B 【Unit8】In the park_A 【Unit8】In the park_B 【Unit9】A class picnic_A 【Unit9】A class picnic_B 【Unit10】Colours_A 【Unit10】Colours_B 【Unit11】Shapes_A 【Unit11】Shapes_B 【Unit12】Insects_A 【Unit12】Insects_B 【Unit13】Plants_A 【Unit13】Plants_B 【Unit14】More insects and plants_A 【Unit15】Toys_A 【Unit15】Toys_B 【Unit16】Clothes_A 【Unit16】Clothes_B 【Unit17】Touching and feeling_A 【Unit17】Touching and feeling_B 【Unit18】Tasting and smelling_A 【Unit18】Tasting and smelling_B 【Unit19】Children\'s Day_A 【Unit19】Children\'s Day_B 【Unit20】Festivals in China_A 【Unit20】Festivals in China_B