For centuries, poets, writers and musicians have ______ (13) the ao dai in poems, novels and songs. The ao dai is the traditional dress of Vietnamese women. It consists of a long silk tunic that is slit on the sides and worn ______ (14) loose pants. ______ (15), it was frequently worn by both men and women. The design and ______ (16) used for men were different from those used for women. Nowadays, women usually wear it, especially ______ (17) special occasions. However, many Vietnamese women today often prefer to wear modern clothing at work, because it is more ______ (18).