5. A. In 2 years. B. Since 2005. C. Twice a year.
6. A. They come from Korea. B. They’re learning Chinese.
C. She lives in New York.
7. A. Last year. B. In the mountains. C. His cousins.
8. A. Kind of boring. B. Watching movies in English. C. By ourselves.
9. A. It made me feel frightened. B. You’d better wear mouth masks.
C. It has killed many people.
10. A. Yes, it’ll last long. B. No, they won’t. C. Nothing serious.
