Ex1: Circle A, B, C or D to choose the correct answer. 21. The children started to ________ each part of the story. A. go out B. act out C. play out D. cry out 22. Many children in our village are still ________. They can't read or write. A. creative B. illiterate C. unhealthy D. traditional 23. Traditional games ________ an important role in children's intellectual life. A. play B. take C. bring D. make 24. Viet Nam’s tug-of-war game was also ________ as a UNESCO cultural intangible heritage of humanity in December 2015. A. realised B. recognised C. allowed D. seen 25. In the past, white, or violet ao dai ________by Vietnamese female students as their uniforms. A. wore B. used to wear C. was worn D. would be wear 26. We wish LCD projectors ________ still expensive. A. haven’t been B. are not C. were not D. hadn’t been 27. Cyclo, a sort of tricycle rickshaw, ________ the most popular means of transport in Viet Nam in the past. A. were B. used to C. used to be D. would be 28. I ________ a teddy bear, but I don't have one now. A. used to having B. used to have C. was use to having D. was used to have 29. "How cool!" is used to express ________. A. a wish B. a surprise C. an agreement D.an appreciation 30 - "He had to work 12 hours every day." - “_______________” A. Sure. B. I wish I could go back to that time. B. How cool! D. I can't imagine that