Plant a Plant!
Unit 2
Why Are Plants Important?
Lesson 8
  同学们，上一课学习的单词、短语和句型你们都掌握了吗？现在大家来检验一下，点击下面的音频开始听写吧！
Answer the following question:1. How many kinds of trees do you know? 2. Do you know the importance of trees?