Sir Gawain and the Green Knight

i am stuck on a worksheet and i cant find any of the anwsers!!

What words spoken by the Green Knight make his challenge seem more than just a good-spirited contest?

What is the agreement Gawain and the lord of the castle make regarding the end of each day?

What do Gawain’s actions at the castle reveal about the knights’ moral code?

What is the result of Gawain’s final meeting with the Green Knight?

What does Gawain keep as a reminder of the meeting?

Why does Gawain want to remember his meeting with the Green Knight?

Identify at least two of the magical or supernatural elements in this selection.