6.Car __________ is popular in many big cities.(insure)
Fast food is very p_____ in many big cities in china.
英语翻译In many big cities in the world,the overuse of cars is t
Water is ____ short in many big cities.A.running B.flowing C
Rush hour traffic is a ___ in many big cities around the wor
In many big cities of the world,the overuse of cars is thoug
英语阅读理解Rush hour traffic is a problem in many big cities arou
Many people什么to work in big cities
Beijing is one of ( ) popular cities in the world.
In many cities like Moscow,Paris and some big cities in Chin
The air in mountain areas is _that in big cities
the traffic ecpecially in big cities is getting heavier and
pollution is a serious problem in big cities throughout the