Perhaps you could help us out a little by clarifying on what it is that you're unsure about. For example, if you had trouble with one particular part, you could elaborate on it. Unfortunately the people who offer their help on this forum don't usually have the time to review and actually correct entire assignments. Just for future reference, people are much more likely to respond to concise, specific posts. Hope this is helpful and good luck on the assignment!
Un saludo
