题目内容：

阅读下面材料，在空白处填入适当的单词或括号内单词的正确形式。

Many of us were raised with the saying ''Waste not, want not. '' None of us, however, can 1. (complete) avoid waste in our lives.

Any kind of waste is thoughtless. Whether we waste our potential talents, our own time, our limited 2.  (nature) resources, our money, or other people's time, each of us can become more aware and careful. The smallest good habits can make

3. big difference. It's a good feeling to know in our hearts we are doing our best in a world that 4.  (be) in serious trouble. By focusing on 5. (save) oil, water, paper, food, and clothing, we are playing a part 6. cutting down on waste.

We must keep reminding ourselves that it is 7. (easy) to get into something than it is to get out of it. Actually, severe damage 8.  (do) to our land is fairly recent in the history of our evolution. It’s time for us  9.  (say) no to waste so that our grandchildren's children will be able to develop well. We can't solve all the problems of waste, 10. we can encourage mindfulness.