How do you respond to et toi?

Who is required to RSVP? What is the proper form of address for a Scottish Sheriff whose title is Sheriff J Gordon QC? Can men wear skirts and tights? What is formal style of? What is plural possessive for dress? What are an appropriate groomsmen gifts? What is the proper salutation for a cardinal? How can a person attain dignity? What are a group of ladies called? Is it appropriate for men to wear casual shoes to a black tie event? Should you bring a gift to a welcome home party? How do you say etc in french? What is the meaning to hurt someone or something? What is the word that the queen refers to her subjects? What is a sentence for the word passerby? What was the last time you saw someone? Is regularly an adverb of manner? Mohamed est mon nom et chacun le vénère? Cut your coat according to your cloth? What does it mean if someone cannot accept call at this time?