How long does the battle last after aslan's arrival? in the lion which and the wardrobe?

Pls needs hypehen or no hyphen 1. after serving as principal for ten years,mr. jones will resign this year 2. it's sixty seven degrees outside and it's only february!

Gulliver's attempt to imitate the houyhnhnms gulliver to accept himself as he is causes gulliver to hate himself and other humans improves gulliver's character causes gulliver to be patient with people's problems next

3. what is the purpose of a lead sentence or paragraph? to display your most convincing reasons and arguments to you revise the overall structure of your work to interest readers and introduce your writing style to add details and elaborate on your ideas