III. Mark the letter A, B, C or D to indicate the best option for each of the following gaps. 1. The Tay people live mostly in the ________ regions in the North of Vietnam. A. mountain B. mountainous C. mountained D. mountaining 2. The Muong in Hoa Binh is well-known for their rich _______ songs and poems. A. tradition B. traditional C. traditionally D. traditionalize 3. Y Moan was one of the greatest _______ of the Ede ethnic group. A. arts B. artist C. artists D. artistic 4. Is living in the city more _______ than living in the countryside? A. convenient B. inconvenient C. convenience D. inconvenience 5. _______ water was one of my hardest duties I had to do when I was in the countryside with my grandparents. A. Collection B. Collector C. Collecting D. Collective 6. The yellow colour of five-coloured sticky rice ______ Earth. A. symbol B. symbolic C. symbolize D. symbolizes 7. Rice _______ in terraced fields is the main economic activity of ethnic people in Sa Pa. A. cultivate B. cultivated C. cultivation D. cultivating 8. ________ children are familiar to doing housework to help their parents. A. Nomad B. Nomads C. Nomadic D. Nomadically 9. The Internet is very _______ because it takes you a lot of time. A. addictive B. addiction C. addict D. addictional 10. Face to face _______ is much better than a video call. A. communicate B. communication C. communicative D. communicated