8. We are _______ to take photos of the objects in the museum. It is against the regulations. A. allowed B. not allowed C. obeyed D. told 9. You _______to prepare the meal. I have done for you already. A. don’t have B. have C. haven’t D. must not 10. Global communication was changed by the _______of the Internet. A. inventors B. invention C. invent D. invented 11. This American man has tried only two traditional dishes of Vietnam; _________, he strongly believes that Vietnamese foods are very suitable for him. A. however B. although C. so D. but 12. Using music, codes, or signs to communicate is called _______ communication. A. verbal B. non-verbal C. public D. non-public 13.Vietnam is a/an ________ country with 54 ethnic groups. A. ethnic B. multi-cultural C. bi-lingual D. bi-cultural 14. Hue is very famous for its royal court __________. A. dances B. stories C. music D. songs 15. _______ ethnic group has the largest population in Viet Nam, the Kinh, the Muong, the Tay or the H’mong? A. What B. Which C. Which one D. Both B & C giúp mình nhanh với ạ