`1.` Why do you go to sa pa every year? ( beacause `-` nguyên nhân `->` dùng why )

`2.` How often is the Flower festival held in your country? ( every summer ,thường xuyên )

`3.` What did you do when you go to Paris last year?( chữ gạch chân là 1 activity )

`4.` When is christmas held? ( on December 25 th : chỉ thời gian )

`5.` Where does the International Fireworks festival take place? ( in Da Nang cit : nơi chốn `->` dùng where )

`6.` How many people attended Burning man in 2010? ( nhiều người kho đếm đc `->` how many )

`7.` How long does tet last? ( bao lâu , one week : thời gian 1 tuần )

`8.` What is the highlight of the festival ? ( tomato fights `-` activity )