Being mindful of tone is important. Imagine you are requesting a letter of recommendation from your professor. Select the most tone-appropriate sentence to begin that requesta. I humbly and graciously beseech you, Dr. Professor, to escribe an effulgent acclamation of my intrinsic worthb. I need a recommendation letter by this Friday, Dr. Professor, so could you write it for me?c. Dr. Professor, I would greatly appreciate it if you were to write a letter of recommendation on my behalf