英语首字母填空There are some big problems in big cities.It is e____

英语首字母填空
There are some big problems in big cities.It is e____to live there,and there are tooo many p_______ in some places of big cities.Every year many people move to the cities
to f_____jobs,to study at good schools and get good medical care.But some times people cannot find jobs or good places to live in.Also it is h_____to keep the cities silent and c________.