9.　　　 How d________ you speak to your mother like that? It’s best manners.

8.　　　 I had to p________ myself against the wall to let them pass.

7.　　　 The masses have great c______ power. They can produce a lot of new things.

6.　　　 Don’t worry. I will give you some s_______ on how to do it.

5.　　　 Using p________ bags is a kind of pollution.

4.　　　 Can you d_______ to me how the accident happened.

3.　　　 You must have been in a hurry. Look! You are wearing your sweaters i_____ out.

2.　　　 James Joyce was one of Ireland’s most c__________ writers.

1.　　　 I don’t know what to do. I need you’re a_________.

25.　 Last year, China’s tourism earned 17.8 billon US dollars, _______ (排名) fifth in the world.

unit 9