21.Describe image
Answer:
The following graph gives information about a floor plan. The items include a main hall, an office, a kitchen and toilets. You can see from this graph that there is a main hall, which is in the upper area of the plan. You can see from this graph that there are toilets for males and females，which are on the right of the plan. You can see from this graph that there is a toilet for the handicapped，which is in the bottom right corner with a sign of wheelchair. You can see from this graph that there are a kitchen in the bottom left corner and an office in the middle of the plan. In conclusion, this graph is very informative.
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