Say what buildings are usually built in big cities.Пример: Railway stations

theatres are usually built in big cities
cinemas are usually built in big cities
shops are usually built in big cities
bridges are usually built in big cities
schools are usually built in big cities
banks are usually built in big cities
houses are usually built in big cities
hospitals are usually built in big cities
airports are usually built in big cities
Вместо usually можно поставить often/rarely