Найти подлежащее и сказуемое в каждом предложении данного фрагмента текста: however,there are some disadvantages as well. sometimes it's difficult to find a cheap apartment,so living in a city becomes very expensive. the roads are full of cars which pollute the air and the traffic is really heavy on weekdays. public transport is also over-crowded. that's why many people leave the city at weekends. they try to relax in the countryside,where the air is much fresher and there isn't any noise from cars. we also go away each saturday and sunday to visit my grandparents