句式：
1What do leaves do?
They make food for the tree.
2What do they need to make food?
They need sunlight,air,and water.
五年级英语下册第一单元知识点各位帮帮忙如果还找出第二,第三单元的知识点,至少5个词组
句式：
1What do leaves do?
They make food for the tree.
2What do they need to make food?
They need sunlight,air,and water.