1. Cleverness often makes us discontented and selfish (R. Emerson)

2. We can stop global warming if we reduce energy consumption. We can stop global warming if we produce energy without burning fuel. What can we do?How can we do that? use energy of sun and wind stop producing unnecessary things stop wasting energy think more about the earth recycle paper and plant trees We can stop deforestation.

6. … John was so happy he was on cloud nine. But why? … … Lucy looks a bit under the weather these days. What’s wrong with her? … … Mary has saved £2,000,000 for a rainy day. … Oh, it’s only a storm in a teacup.