On that day, I think it will be a happy day and I promise to families that I would intend to finish the study within four years and to find employment as soon as possible.
In those days, I think it will be the happiest. And I promised my family that I would be completed within four years. And for work as soon as possible.
On that day, I think it was the happiest day! And I promise that I'll learn family to graduate within four years. And will get a job as soon as possible.