What 2 reply when someone says you are honoured?

Do french people say a before dinner blessing? How do you make a letter explaining why you are late for work? What is the abbreviation for His Royal Highness? How do you write Mrs? What to wear in a formal gathering? What type of clothing did the Civil Servants and Mandarins wear? What is the proper etiquette on thanking someone for an expensive gift received through mail? Is it improper to begin a sentence with the word and? How many spaces from the date and salutations in a letter? What are four sentences for the word greet? What does the idiom in 2 shakes of a lamb's tale mean? When do you use an apostrophe with persons? Why is being respect and admired more important than being liked or disliked? Who said A man in known by the company he keeps? How to write a welcome address? How do you say 'it happens' in French? What is the present perfect tense to the verb invite? How do you invite berber people to south Africa? Why do people make fun you when your short? What does so don't cry over spilled coffee mean?