IV. Write the correct form of the words in brackets. 16. Philip was really _________ when he got a D on his math test. He studied very hard for it. (DISAPPOINT) 17. Traveling by train is the best option for long-distance travel. They are clean, _________ and punctual. (COMFORT) 18. Bon Om Touk is one of the most amazing _________ festivals in Cambodia. (TRADITION) 19. Studying abroad puts you into an unfamiliar situation, so you will become more __________. (DEPEND) 20. MTR (Mass Transit Railway), with ten lines and more than 70 stations, is the most _________ way of traveling in Hongkong. (CONVENIENCE)