请用适当的词完成下面短文，并把所缺单词填写在答题卡指定的位置上。每个空只能填写一个形式正确、意义相符的单词。
We all need a healthy environment, but we produce waste every day and it does harm to our environment. ____ we are young, we can still do something to help. In fact, even the simplest everyday activities can make ____ real difference to the environment. Here are some ideas for you to live a green and healthy ____.
Remember these three words: reduce, reuse and ____.
Reduce means "use less". If we stop wasting, we can not only ____ money but also reduce pollution and waste. Before we buy something new, think whether it is really necessary or maybe the old one will be just as good! If ____, choose local products and try not to buy too many things from abroad when we do need something.
Reuse means "use again". Use things for as long as possible. When we buy things, ____ sure that they can last a long time. We should take care of them so that they will last long and we should repair them if we can instead of throwing them away and buying new ones. Don't use a paper cup or a paper bag. It's better to use a china(瓷器) cup and lunch box because you can use them ____.
Recycle means "change things ____ something else". Although it takes energy to do this, it's better than throwing things away or burning them. We can do this in many ways. For example, we can find out ____ can be recycled in our neighborhood and take part in the recycling programs and we can also buy products made from recycled materials, such as recycled paper to help save trees.
