III.Complete the passage with the most suitable words
1.most
2.next
3.name
4.bell
5.was
6.keeps
7.be
8. on
9.is
10.means
IV, Rewrite the sentences,not to change the meaning
1. It's important to keep the environment clean.
2.People recycle old car tires to make shoes and sandals.
3.I haven't spoken to Mr.Quang for 3 months.
4.Trang used to type fastly but now she doesn't.
5.My grandfather asked me to turn down the radio for him.