填空题
Do you drink milk or orange juice that comes in plastic bottles? Do you eat cereal that is 【C1】________ (package) in a box? If you do, you can help save the environment by creating less waste! And you can do that by practicing the three Rs—reduce, reuse, and recycle. To reduce is to use less, to reuse is to use things again, and to recycle is to turn old things 【C2】________new things.