Fill in the blanks with suitable preposition: We learn etiquette and manners (a)—— our parents and various institutions such as schools, colleges or professional bodies. There are rules (b)—— behavior (c)—— all kinds (d)—— social occasions and it is important to learn them and practice them (e)—— everyday life. The manners that are correct(f)——— a wedding reception will not do (g)——— a debating club. Therefore, we have to be careful (h)——— a etiquette and manners. We know how important it is to say 'please' and 'thank you' (i)——— everyday life. A few more polite expressions such (j)—— 'Pardon me', 'Excuse me', May I' are bound to make your day smooth and pleasant.