Chọn từ phù hợp nhất để điền vào chỗ trống trong đoạn văn sau:

The ao dai, the traditional dress of Vietnamese women, has a long history. In the early 17thcentury. Vietnamese clothing designers (46) _____________ changes to the design of the traditional Chinese costume, creating the early forms of the present ao dai. This creativity showed Vietnams strong sense (47) _____________ independence. The ao dai, with different designs and materials, was worn by both men and women. Throughout the 21st century, there have been numerous changes in the design of the ao dai: from floral to checked patterns, the use of transparent fabric, the variations in the neck collar, the shortening of the gown's length and different colors of the loose pants. Over the year, (48) _____________ the coming of Western clothing for more convenience in daily activities of modern life, the ao dai has been there to stay. Therefore, Vietnamese women go on (49) ____________ this unique dress, which is both traditional and fashionable and which (50) _____________our rich culture to the world.