1. Would a witch succeed in a spelling contest?
3. The missing letter is “T”: scimitar, artichoke, outfield, abject.
4. Use (because, accuse, confuse, overuse)
5. Two (Each artist can paint six paintings in six hours, which is a rate of one per hour.)
6. Ann is 14, and Uncle Henry is 28.
7. Unquestionably or unquestionable1. It’s a very good deal.
Bonus Answer:John Donne