III. Choose the word that best fits the blank space in the following passage. (1,5pts) For centuries, poets, writers and musicians have____ (19) the ao dai in poems, novels and songs. The ao dai is the traditional dress of Vietnamese women. It consists____ (20) a long silk tunic that is slit on the ____ (21) and worn over loose pants. Traditionally, it was frequently____ (22) by both men and women. The ____(23) and material used for men were different from those used for women. Nowadays, women usually wear it, especially on special____ (24) . However, many Vietnamese women today often prefer to wear modern clothing at work, because it is more convenient. 19. A. used B. mentioned C. separated D. studied 20.A. of B. on C. at D. in 21.A. tunic B. clothes C. sides D. dress 22.A. to wear B. wore C. wear D. worn 23.A. designer B. design C. material D. tradition 24.A. material B. occasions C. designs D. patterns