四、短文填空
阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式。
Volunteering takes up our time, energy, and even costs money. It can be hard work. So 1 should we do it? Well, here are some reasons:
Firstly, volunteering is good for others. The world is not perfect. Many people and animals need help.
2 (second), governments try to meet everyone's needs, but it's 3 (possible) for them to do all that.
Thirdly, if we never help each other and only care about 4 (we), the world will be a sad place. If we work together, we can make life easier and 5 (happy). But what can we do?
Bring food to hungry people, and bring comfort and happiness to lonely people.
Make neighbourhoods safer and friendlier.
Protect wildlife and natural areas; help care for pets and wild 6 (animal).
At the same time, it is good for us to do volunteering work 7 our society. We can get many benefits like the following through it:
Get important skills and experience.
Build confidence and self-esteem (自尊).
Feel satisfied after 8 (help) others.
Since volunteering is so good for us, for others and for the whole society, why don't we try our 9 (good) to do it? If everyone of us 10 (give) our love to others, the world will become much better!
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1. why
2. Secondly
3. impossible
4. ourselves
5. happier
6. animals
7. for
8. helping
9. best
10. gives