zadanie z angielskiego. może mi ktoś sprawdzić?

In 2010, I graduated from a technical school of economics. After passing the matriculation examination he began a course in economics ..... University. I worked as a secretary in the high school, as well as a customer service representative at delivery. At the moment, in the three years of my degree studies licealskiego. At the end of thought as to continue their studies, he enrolled in a course in mathematics. In the future I would like to be a teacher.