从方框中选词并用其适当形式补全对话。
bike, brush, recycle, save, light, else, use, agree, different, ride
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A: _______ endangered animals is one thing we can do to save the earth. What _______ can we do to protect the environment?
B:There are many things, such as _______ books and paper. To save water, we should turn off the lap while we _______ our teeth.
A:Yes, you are right. We can also turn off the ________ when we leave a room. Also, we should use _________bags instead of plastic bags.
B:I'm in_________ with you. But I think it's hard to stop ________ in cars.
A:We can ride our _______ to school or work. If everyone takes action, we can make a _______.