For centuries, poets, writers and musicians have mentioned the ao dai in poems, novels and songs. The ao dai is traditional dress of Vietnamese women. It consists of a long silk tunic that is slit on the sides and worn over loose pants. Traditionally, it was frequently worn by both men and women. The design and material used for men were different from those used for women. Nowadays, women usually wear it, especially on special occasions. However, many Vietnamese women today often prefer to wear modern clothing at work because it is more convenient Answer the questions : 1. Who used to wear the ao dai by tradition ? à ………………………………………………….. . 2. When do women wear the ao dai nowadays ? à …………………………………………………………………….. . 3. Why do Vietnamese women prefer to wear modern clothing at work? ............................................................................................................................