请作者增加词汇表达的丰富度,对拼写检查也要重视;文章层次较为清晰;注意句式在文中的变化,加强一些从句的使用,文章会更棒;请注意分段。
once upon a time,there are rarely people in the city and work on the go hunting.after they recognized how to plant,they settle down together and build the village.with the population increased and flocking into the village and develop the city.when the equipment appears and build the factory and more and more people settletment together.and then city become larger than larger