我做志愿者是因为我不仅想去看看这个世界，还想让它变得更好．
I volunteer because I not want to see the world， make a difference to it．
There are many old people who are over a h years old in Hainan.
In front of my village is a clear r .I used to go fishing with my grandpa there.
Let's run as f as we can，or we'll be late for the meeting.
Yuan Longping，one of the （great） scientists in the world，is known as "Father of hybrid rice".
Parents and schools make （rule） to help the students to become better and better.