about two-thirds of the ..families. in the united states live in single-family homes. about a of the families live in ..buildings. that have two to four floors , or in ..apartments. or other commercial buildings that include apartments.
large .. cities have more apartment housing than small , because. land.. is scarce and.. expensive. small towns and..suburban. areas, where land is .less .. expensive than in city centres, have mostly.. single-family. homes.
philadelphia and other .cities.. have many . row .. houses. these are usually single-family houses, one or two .stories.. high, standing to wall. a is a building with two apartments, either .side.. by side with a . single.. wall .. between . them, or one .above.. the other.
Поделитесь своими знаниями, ответьте на вопрос: