<사용어휘>
Earth, save, water, recycle, paper, cans, glass, bottles, protect, planet, do, campaign, walk, light, plant, trees
April, 22nd, use, cup, take, short, shower, bus, turn off, TV, computer, make, flower, pot

<목표표현>
What can you do for the Earth? / We can save water. / We should recycle paper. / That’s a good idea.
When is Earth Day?/ It’s April 22nd.
What will you do?/ I will make an eco-bag.