IN THE PAST, WHITE, OR VIOLET AO DAI _______BY VIETNAMESE FEMALE STUDENTS AS THEIR UNIFORMS

9. - DAP AN ON TAP ANH 9 DOT 6
DAP AN ON TAP ANH 9 DOT 6
9. In the past, white, or violet ao dai _______by Vietnamese female students as their uniforms.a. wore b. used to wear c. was worn d. would be wear