Writing prompt: When I Have a Different Opinion

Student essay:
There are many argument in my class. Different people may have different opinion.
Sometime my poinion is different with major of my classmates. When I meet this
question I always continue my opinion. I want to do it in this way because there must have my own reason.
Once, we held a small party of classmates. We talked about how should we get to the park. Most of my classmates thought we should go there by taxi but I thought we should go there by subway. Because that day is Saterday. A number of people will go out to do something by car like shopping or go hiking. There must have heavy traffic, and we will spend too much time on the road. SO we should take subway. Finally, they chose to take subway.
When you think you are right, contine it !

Corrected essay:
There are many arguments in my class. Different people may have different opinions.
Sometimes my opinion is different from the majority of my classmates. When I meet this question, I always continue with my opinion. I want to do it in this way because there must be my own reason.
Once, we held a small party of classmates. We talked about how we should get to the park. Most of my classmates thought we should go there by taxi, but I thought we should go there by subway because that day was Saturday. A number of people would go out to do something by car, like shopping or going hiking. There must be heavy traffic, and we would spend too much time on the road. So we should take the subway. Finally, they chose to take the subway.
When you think you are right, continue with it!