Unit 15 We’re trying to save the manatees!
4. be 5. hasn’t been finishedstep vii homeworkt: in this class, we’ve heard two spoken conversations: in the first conversation, we heard about some adjectives for describing animals; in the second, we heard something about manatees. after class, please listen to the conversations again. make some sentences with different tenses. then remember the new words in section b.