There are so many people living in the city;it is

There are many superstitions in Britain, but one of the most 【B1】 held is that it is unluc

Air pollution People and air pollution are often in the same places. This means that cities with large populations have the biggest problem of dirty air. Air pollution is caused by many different thi

There is no doubt about it: the Earth really is growing warmer. If you live in a city, tha

There are so many stories about young and promising people who sacrifice their own lives t

The living pressure in many big cities has had negative effects on city dwellers. As it is

There are so many people living in the city;it is