Sure! Here are the completed sentences based on the given options:

**6. Complete each sentence with the correct option A, B, or C.**

1. We have a tradition of holding a family **B. reunion** on the first day of Tet.
2. It’s a tradition for shops to have a lion dance performance at their opening **D. ceremony**.
3. **C. worship** whales is popular in Vietnamese coastal villages.
4. She broke with family tradition by not practicing **A. offerings**.
5. Traditionally, the Vietnamese prepare **C. worship** their ancestors during Tet.

**7. Complete the sentences with the words from the box.**

1. **custom**: This year, we will **keep** with tradition and go on holiday instead of staying at home during Tet.
2. **practice**: Holding a party to wish our grandparents longevity is one of the customs we **practice** at Tet.
3. **break**: It’s becoming common for young people to celebrate New Year’s in addition to Tet.
4. **traditionally**: It takes more than **an hour** to drive to Can Tho.
5. **air**: The Ok Om Bok Festival takes place in **October**.
6. **We** went to Can Tho by **air**.
7. **A**. Where’s **your** book? **B**. I thought you left it next to **the** TV.
8. **It** is a custom in my family to have breakfast at home on Sundays.
9. **Our** village festival is held on the 10th of **January**.
10. Ancient Egyptians worshipped **the** Sun.
11. Many people think that hard work is **an** important Vietnamese value.

**9. Which of the underlined parts in each question is incorrect? Find and correct it.**

1. **A**: The worshipping Kitchen Gods is a long-time tradition of the Vietnamese. (Correct: "The worship of the Kitchen Gods").
2. **C**: People organize the worshipping ceremony at noon so that Kitchen Gods can leave for Heaven (Correct: "worship ceremonies").
3. **C**: Most families in the Viet Nam prepare offerings for the Kitchen Gods. (Correct: "Vietnam").
4. **B**: The offerings include a set of flowers and fruits, a paper clothes, and three carps (Correct: "paper clothes").
5. **D**: The Vietnamese people believe that the Kitchen Gods go to Heaven on carps. (Correct: "on the carp").

**10. Complete the text with the or or**

A recent study in (1) **the** UK shows that family time traditions are good for (2) teens. These traditions include family members playing card games, watching their favorite TV programmes, or performing (3) **the** karaoke shows at weekends with one another.