The specimen answer papers include examiner comments, this was where I got most of my ideas on how to structure and respond to the papers. (My source for my tips + advice statements.)

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They also have the ideal answers for each paper, so that can give you an idea of how many points to bring up or whether or not to give an intro, or how to develop your responses to gain full marks.

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It's mostly repetition from what I said in tips + advice, but if you want it from the official source, here ya go.