After You Listen
5 Understanding Main Ideas. Choose the correct answer.
1. What are Cheska and Chan going to do on Earth Day?
a. just stays at home and do some household chores.
b. gives speech and carry signs.
c. has a protest on the streets.
2. When did Earth Day start?
a. a decade ago
b. more than thirty years ago
c. a century ago
3. What kind of pollution do people think about on Earth Day?
a. air pollution
b. water pollution
c. all of the above
4. What is the main purpose of Earth Day?
a. for people to think about the earth and the environment
b. for people to save money for their gasoline/diesel.
c. for people to travel around the world.
6 Vocabulary Review. Complete these sentences. Use the following word list.