The answer would be a short essay, so the following are important guidelines:
The message has been communicated very well.The ideas are relevant and effective.The development of ideas is coherent and thorough; supporting details are highlyappropriate.There are none/very few grammatical and spelling mistakes.Punctuation is correctly used Usually would ask to mention a text studied in class
I'm Italian and have always lived in Italy so i'm fully fluent, therefore helping students at GSCE/IB foreign language level would not be an issue.