20. 다음 글의 목적으로 가장 적절한 것은? [1점] Upon receiving your last letter, I rushed to look up the word 'flattering' in the dictionary. I was shocked to find out that it could imply something negative, which I certainly did not mean. I should have used some word like 'complimentary' instead. For that, I would like to ask for the kindness in your heart to forgive my unintend..