任务型完形填空

用方框中所给单词或短语的适当形式填空，使短文通顺、正确连贯，每个单词或短语限用一次。

　　There are many ways to save the environment if you would like．In this passage, you can find some ways．

　　Plant more trees．Choose a right 　　1　　 near your house or workplace．　　2　　 there's any rule stopping you growing trees in that area, go ahead and grow trees．Plant a tree every month and 　　3　　 your friends and classmates to join you．Have more and more trees 　　4　　 and there will come a day when you have green land thanks to your hard work．

　　Walk more and drive less．Choose to walk 　　5　　 drive your car．Walk or ride a bicycle to work if it's not very far．Not only cycling but walking is good exercise．And each time you avoid using your car, you’re doing something 　　6　　 to cut down air pollution．You are saving fuel, saving money and keeping fit as well．

　　Save water．Water is very important for living things．It's 　　7　　 who use and pollute it．The simplest way to save water is turning 　　8　　 water taps after use．When you visit a beach, make sure that you don't throw waste around．Do not pollute rivers 　　9　　 dropping garbage or other waste．Water is so precious, so we 　　10　　 waste or pollute it．