The word in bold at the end of each of the following sentences can be used to from a word that fits suitably in each blank
1 Tran Van Can is my favourite _. He is famous for the painting "Little sister Diep". ( ART)
2 Tra Giang is one of the most famous _ of Viet Nam. Many people love her. (ACT)
3. I think a good knowledge of art and music is a_ for anyone (NECESSARY)