Although interior design has existed since the beginning of architecture, its development into a 1field is really quite recent. Interior designers have become important partly because of the many functions that might be 2in a single large building. The importance of interior design becomes 3when we realize how much time we spend surrounded by four walls. Whenever we need to be indoors, we want our surroundings to be as attractive and comfortable as possible. We also 4each place to be appropriate to its use. You would be shocked if the inside of your bedroom were 5changed to look like the inside of a restaurant. And you wouldn 't feel right in a business office that has the appearance of a school. It soon becomes clear that the interior designer' s most important basic 6is the function of the particular space. For example, a theatre with poor sight lines, poor sound-shaping qualities, and too few entries and exits will not work for its purpose, no matter how beautifully it might be 7. Nevertheless, for any kind of space, the designer has to make many of the same kind of 8. He or she must 9the shapes, lighting and decoration of everything from ceiling to floor. In addition, the designer must usually select furniture or design built-in furniture according to the functions that need to be 10.A)obscure B)specialized C)attention D)expectE)concern F)specially G)evident H)containedI)decorated J)composed K)decisions L)suddenlyM)served N)balance O)coordinate