Twns and cities are both important是什么意思啊

Twns and cities are both important是什么意思啊 什么 london and paris are european cities cities are glowing faster and faster. Big cities are usually c_______ in the main streets.There are people here and there. In m____ society,more and more people are moving into cities. 翻译New york,London,Paris and other big cities are excting places to live in. In__(一个单词）society,more and more people are moving into cities Beijing and Shanghai are big cities.Right?Yes,but Shanghai is _____ than Beijing.别太高 (Nowadays there are more and more is some big cities)什么意思 Americans tend to commute to and from the cities where their jobs are cities look the same and their p___ are also looking the same our country and our cities are so perfect in the world. Many cities ,like Boston ,Newyork,are important both as ports and as hubs 什么语法? I like the cities.There are beautiful beaches and parks.（合并为一句）I like the cities ___ ____ ____ beautiful beaches and parks Are these any___between two cities there are a lot of net-bars i cities and towns in china these places are f____ of students Today computers ______in both cities and towns A.were using B.are used C were used D are using 为 which ones are or were important cities for writers and artists?为什么句中既有are又有were