这个单词拼写有错吗,

useful.
1.We have more ability to host the olympics than any other countries, because we have successfully hosted the 29th Games.
2. We have made rapidest progress in economy, health care, living conditions and environment protection in the world.
3. Our GDP is one of the highest in the world, which supports us in finance.
4.China has the longest history.
5. We have the most available stadiums to host the Games.
6. We can provide the most comfortable living conditions for athletes.
7. Our athletes are the best ones in the world.
8. We pay more attention to environment when hosting the Games.

有错 useful
If China can host the Olympics again ，China will have more advantages, have more people, more volunteers, the development of ecnomic will be more quickly, more people will take part in it, more countries will be familiar with China, now more and more stadiums are being built, China will be more experienced and so on.

应该是useful