The traditional Vietnamese dance in Hue Citadel was performed (a)   by the royal dancers. (IMPERIAL)

Don Ca Tai Tu is a (a)   form of performing art in Viet Nam. (HERITAGE)

In Vietnam, we can find (a)   built temples that tell stories of the country's rich heritage. (ANCIENT)

Study always needs a lot of (a)   (INNOVATE)

I think you should consider joining an (a)   to continue your education after leaving school. (ACADEMIC)

An (a)   exam is a test you take before starting your studies. (ENTRY)

She is a (a)   student majoring Digital Marketing from National Economics university. (GRADUATION)

Higher (a)   provides more in-depth knowledge and skills. (EDUCATE)

The (a)   explains difficult concepts to make them easier to understand. (PROFESSIONAL)