1Unit 4 A good read Period 4 Grammar重点单词听，并跟读下列单词1. hand vi. 交；递，给2. review n. 评论3. return vt. 归还4. renew vt. 续借；更新；重新开始重点短语听，并跟读下列短语1. hand in 上交，递交2. think of 认为3. and so on 等等4. keep quiet 保持安静5. return the books 还书6. on time 准时重点句型听，并跟读下列句子1. Kitty cannot decide which to choose first.基蒂不能决定先选哪一个。2We do not have to go to school at weekends.我们周末不必去上学。公交小句听，并跟读下列句子1. You must not smoke in the library. Im afraid you have to go outside.你不能在图书馆吸烟，恐怕你必须出去。2. If you dont know how to write the report, you can ask your teacher for help.如果你不知道如何写报告，你可以向你的老师求助。
