—        . The old man who sat here will be back soon.

    Different things usually stand for different feelings. Red, for example, is the colour of fire, heat, blood and life. It is used for signs of 1 , such as STOP signs and fire engines. Orange is the colour of brightness, warmth and 2in autumn. People say orange is a 3colour. They associate orange with happiness. 4 is the colour of grass in spring. People say it is a refreshing colour. In general, people 5 about two groups of colours: warm colours and cool colours. The warm colours are red, orange and yellow .When there are warm colours, people usually want to be 6. The cool colours are black and blue. When there are these colours, people are usually worried. Some scientists say that time seems to 7 more slowly in a room with warm colours. They suggest that a warm colour is a good 8for a living room or a restaurant. People who are having a rest or are 9do not want time to pass quickly. However, 10 colours are better for some offices if people working there want time to pass quickly.