Please check the following paragraph.
An Introduction of Myself
My name is Rosa. Iím an optimistic person who likes to play jokes on people. My favorite subject is English, which is an useful language. With English, we can communicate with foreigners and make it easy going abroad. When I study, I always spend much time on it. Not only itís my favorite subject , but also I can acquire more knowledge. All in all, if you have something in common with me or the same interests as me, welcome to be my friends. Iíll be glad to share my learning experience with you.
Thanks a lot for your correction which helps me a lot. Please check another paragraph "struck in my mind."