Possible Clues:

• Contents of a teacher's key
• Crossword solutions
• ... explains all you need to complete what you're doing
• You'll get them all in solution
• 'Jeopardy!' fodder
• Replies thus if one swears about the North
• Resolutions
• a), b), c) and d), on a multiple-choice test
• Returns keys
• See 38-Across