Pay att on what it asks you to do!
It doesn't really matter if you have no mistakes on your writing, but if it has nothing to do with what was asked you will probably get a low grade.
So, pay more att while you do your home production. If you didn't understand ask for help, use the dictionary, make some research, try your best.
* 2 very important stuff:
- DO NOT USE GOOGLE TRANSLATOR! It's very very tricky.