----- Nội dung dịch tự động từ ảnh ----- 23. Why are the first three days the most important? A. Because Vietnamese people believe that how people act during those days will influence the whole year. B. Because they give one another the greeting of the season. C. Because they make every effort to avoid arguments and smile as much as possible. D. Because they put on new clothes on these days. O A 24. How long does Tet last? A. Three days C. A week B. Ten days D. Many days O A
