植物的作用: giving people food, making clothes,being cozy homes 植物的各部分: leaves,stem, roots 植物的生長過程: seed,shoot, plant 植物的生長必需品: soil,water,food,sunlight, air,space 形容詞性物主代詞的用法，例如: your,their 疑問代詞的用法，例如: what, how 指示代詞的用法，例如: this,these 副詞的用法，例如: slowly, gently 特殊疑問句，例如:What do plants need? 祈使句，例如: Let's dig in! 一般過去時的用法，例如: How many plants did you eat today?