请帮我美化还有一部分文章.as a student,there are so much for us to learn from volunteers.
we should be ready to help others and be kind to others who are in trouble.meanwhile,just insist on what you decide to doand then you will be the most shining star.
last but not least.volunteers made the expo morebeautiful.they also make honor for our motherland.they are the expo's flowers.