The person works hard too keep the streets,roads and our cit

The person works hard too keep the streets,roads and our cit the streets and roads are crammed with hundreds of cars 纠结当中...（ ）In___cities,the streets and roads are usually very keep our streets The ( ) works hard for our life.括号里填什么? Each of the students,working hard at his on our roads ___ris She works hard ( ）the daytime and sees films ( )night. There are too many cars_____on the streets 填空the boy works hard and——（hard） and he has good grades The roads are very w_______and the streets are very clean.首字 the person is too strange he only dreamswonderfui things and Our city---- a lot.The streets are wider and there are more