2. Choose the best option to complete each sentence. Circle A, B or C. 1. ______________ do the Viet live? The Viet live in the Red River Delta. A. When B. Where C. What 2. _______________ ethnic groups live in the northwest region of Viet Nam? The Viet, the Hmong and the Lao. A. When B. Which C. What 3. _______________ is the main food of the Thai people? The Thai eat mainly sticky rice. A. When B. Which C. What 4. _______________ far is it from Ha Noi to Sa Pa? A. How B. Why C. Which 5. ______ ethnic group of Viet Nam has the largest population? The Viet. A. Which B. Where C. What