Câu 1 : How to reduce air pollution

Câu 3 : Write a paragraph to tell about your favourite festival
My favourite festival is Christmas. It celebrates the birth of Jesus Christ. It is an important festival in theWest. I love this festival because it brings a long holiday to us to enjoy ourselves.Every year before Christmas, my family and I buy some presents for relatives and friends. We decorate our house with a lot of festive decorations. We put up a Christmas tree in the living room and we decorate the tree with little angels, many beautiful bells and some little Santa Clauses. We also place a big star on top of the tree.On Christmas Eve, my sister and I put stockings beside our beds, and my parents secretly put some gifts inside the stockings. I will also put gifts secretly under the pillows of my parents to surprise them.During Christmas time, we have Christmas parties. I have parties with my family, relatives and friends. We prepare a lot of food such as turkey, Christmas cake, chicken wings and sausages. At the parties, I give Christmas cards to everyone and we exchange gifts with each other. Together we sing Christmas carols. Christmas is fun. I love this festival very much.

Câu 5 : Writing a paragraph about Tet festival.
To many Vietnamese, Tet holiday has to be one of the most important celebrations throughout the year that contains both important cultural and spiritual values. Tet usually takes place in late January and early February each year. The festival always fascinates people with tons of exciting activities such as cooking sticky rice, decorating houses, as well as participating in games that are held from places to places. Tet is also the time for family reunion, when people are off from work and can vist relatives, friends and colleagues frequently. Additionally, this is also the occasion for people to show gratitude to their ancestors as well as wish kids good fortune by giving them lucky money. To conclude, Tet is a really terrific holiday for the Vietnamese to relax, have fun and practice traditional customs as well.

Câu 7 : Write a paragraph to tell your opinion about the existence of UFO
I believe UFOs exist because articles and reports in newspapers talked a lot about its appearance.
First(ly), many people from different countries reported that they once saw flying saucers.
Second(ly), there are many photos of flying saucers and some photographers said they saw manlike creatures get out of the vehicles.
Moreover, people are discussing those mysterious circles on the Fields in the countryside of Great Britain.
Therefore, UFO is not an imagination. I's real and we should be ready to see its visits.