Question 35. The National Flag of the Socialist Republic of Vietnam is ______ in shape. A. circle. B. rectangular. C. square. D. triangle. Question 36. In Viet Nam, you______ use only the first name to address people older than you. A. should. B. have to. C. shouldn’t. D. must. Question 37. We broke with tradition by making sponge cakes for the Mid-Autumn Festival instead of ______ cakes. A. Chung. B. moon. C. sticky rice. D. sun. Question 38. Non La (Vietnamese conical palm-leaf hat) is a part of Vietnamese ______ for female. A. customs. B. costumes. C. clothes. D. traditions. Question 39. My mother enjoys ______traditional food for our family, especially at Tet holiday. A. cooking. B. cooked. C. to cook. D. cook. Question 40. There is no doubt that the Ao Dai is very ______ in Vietnam and the world because this is the most popular traditional costume of Vietnam. A. beautiful. B. good- known. C. unknown. D. well-known.