根据短文内容及所给首字母提示，补全所缺单词，使短文意思完整、通顺。
We are middle school students and we are busy with our lessons. Some people think we should
c__1__more on our studies. It's a w__2__ of time for us to volunteer to help others. But I think v__3__
is great. I not only feel good about helping others, but also get to s__4__ time doing what I love to do.
And by volunteering I have learned many things that I have n__5__ learned in class. So if I have an
o __6__ , I'd like to visit an old people's home to c__7__up the old people there. I'd also like to help
s__8__ kids in hospitals. I love kids and I plan to put my love to good u_ 9 _ by working in hospitals.
In a word, I'd like to help people who n _10__ help. If everyone helps out a bit, the world will become
more colorful.