The Ao Dai, the  traditional dress of Vietnamese women, has a long history. (17)_______ the early 17th century, Vietnamese clothing made changes to design of the traditional Chinese costumes, creating the primitive forms of the present Ao Dai. This (18)____________ showed Vietnams strong sense of (19) _______. The Ao Dai , with different designs and materials, (20) ______ traditionally worn by both and women. Over the next several years , despite the popularity  of western clothing, which becomes more convenient nowadays, 

 the Ao Dai has been there to stay.(21)_________, Vietnamese women go on wearing this unique dress, which is both traditional and (22) ________ and which conveys our rich culture to the world.

17. A. In   B.On C.At         D.Since

18. A. material   B. design C. creativity             D. uniform

19. A. dependence B. independence         C. independent           D. independently

20. A. being                    B. has been C. were         D. was

21. A.So B.Because         C. Therefore     D. Although

22. A.beautiful                  B.modern           C. unique D. fashionable