Answer:
a few words that tell what the text is about
He is using foreshadowing to build suspense. <span />
Ending the adjectives with -ed is not needed, so those answers are out. As for the numbers, the rule is usually that numbers one through nine are spelled out whereas number 10 and up are written in numbers. That said, you do not hyphenate the number with the word, so four-letter word would be correct.
to show you can fight the claim, disprove it with facts you have found during your research.