一、听录音，选出正确的应答句。（听两遍）
() 1. A. I’ll use plastic bags for shopping.
B. I’ll use a cloth bag for shopping.
C. I used a cloth bag for shopping.
() 2. A. It’s bad for the Earth.
B. It’s good for the Earth.
C. It’s good for our school.
() 3. A. She will turn off the tap when she brushes her teeth.
B. She turns off the tap when she brushes her teeth.
C. She turned off the tap when she brushed her teeth.
() 4. A. We’ll go to school by car.
B. We’ll walk to the supermarket.
C. We walk to the supermarket.
() 5. A. I’ll waste food every day.
B. I’ll eat up all my food.
C. I won’t eat up all the food.

二、听录音，根据短文完成表格，每空一词。（听两遍）

Steps
Activities
Step 1
Talk about different ways to help the 1.
Step 2
Make an action 2. for our daily life
Step 3
Take 3. in Earth Hour on Saturday
Step 4
Turn off all the 4. for an hour to save energy
Step 5
Share ideas with the whole 5.