15. Swimming is one of the (mountainous, aquatic, racing, running) sports. 16. On some special occasions, people often march and demonstrate to show their (nation, event, culture, solidarity). 17. Vietnam won 3 gold (degrees, medals, awards, boards) at the 15th Asian Games. 18. The Asian Games have been advancing (on, at, in, for) all aspects. 19. 50,000 people attended the Opening Ceremony of the 15th Asian Games with more than billion TV (listeners, speakers, viewers, readers). 20. Did you see the Opening Ceremony (which showed, showed, showing, shown) on TV last night? 21. There were many scientists at the meeting, several of (that, whom, who, which) were very young. 22. This is the novel (that, which, x, all are correct) I’ve been expecting. 23. Fencing was first introduced at the 13th Asian Games, (to be held, holding, when was held, which was held) in Bangkok, Thailand in 1998. 24. He rang James, (who was, that was, being, to be) a good friends as well as his trainer. 25. That is Mr. Pike, a referee, (that, which, whom, whose) I told you about. Không cần giải thích, chỉ đưa đáp án thôi ạ ( mong AD, MOD không xóa câu trả lời )