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25. Life in the countryside has changed a lot over the past ten years.
26.  Sa Pa’s terraced fields are among the most beautiful in the world.
27. My family has the custom of visiting pagodas on the first day of Lunar New Year.
28. Most of the children like imagining and visualizing the stories while they are listening to the folktales especially the fairy tales.
29. You should not turn down the offer of that job.
30. I started learning English three years ago.
31. How many main festivals do the Khmer have in a year?
32. Which ethnic group is the smallest ethnic group in Viet Nam?