请英语高手帮我点评一下我的这篇四级英语作文,非常感谢(语法和用词)

请英语高手帮我点评一下我的这篇四级英语作文,非常感谢(语法和用词)
1：越来越多的人从事志愿者工作
2：志愿者工作的社会意义
3：大学生应该怎么做
Volunteering Activities
When it comes to the volunteer activities ,many people think that it is sacred and kind .So nowadays more and more people volunteer to go in for the activities.
There are many people without ability of live,they need help from society .So many volunteer organizations are set up and they starts to help that people ,for example ,the volunteers help the poor children study and the disabled people sweep.These volunteers'action can spread the love and promote social harmonious.
As to the college students ,I think we must take part in the organzation of volunteer and use our free time to help the poor children or the disable people .In a word ,action is moreimportant than thinking .We should try our best to help them.