評論
打印
Unit 3 We're trying to save the manatees!
SELF CHECK
1 Fill in each blank with the correct word given
Change the form of the word if necessary.
Then make your own sentences with each word.
2.Use the information below to write
conversations and then practice them
with your partner.
Just for Fun!
What are they doing?
They are trying to help the environment.
n. 環境，外界
