Câu bị động ----- Nội dung dịch tự động từ ảnh ----- ****** 15. Vietnamese people celebrate their Lunar New Year around January or February. 16. After Tet holiday Vietnamese people usually plant trees in their neighborhood. 17. How many festivals do you celebrate in your community? 18. How many motorbikes does Viet Nam import a year? 19. The publisher published his book in 1996. 20. They repaired our desk during the weekend.