Basic professional etiquette such as dressing appropriately, following proper interview procedures, and demonstrating good behavior, such as smiling and shaking hands, are (19) _______ essent
Basic professional etiquette such as dressing appropriately, following proper interview procedures, and demonstrating good behavior, such as smiling and shaking hands, are (19) _______ essential elements of presenting yourself professionally.
A much
B. another
C. every
D. some