The workers have built a lot of new houses in Shanghai______.(in the past ten years/for ten years )为什么选这个答案？选 for ten years不行吗？

英语翻译The ice hotel in Sweden is the world's largest hotel made entirely of ice.The hotel's tables,chairs,and even beds are all made of ice The hotel's size changes every year ,because each spring the hotel melts.Each autumn workers have to bui 改成被动句：The workers have finished the work The workers have built a bridge.（改为被动句） most workers have lunch at the factory同义句转换, The workers have very strict orders.中文是什么?不要机器翻译. The workers have ________ all the materials and they have to stop working now. Most workers have lunch at the factory 同义句转换 （.have lunch at the factory The workers have done most of the work.The rest()(be)really difficult the workers have built a ship 100 meters long同意句转换the workers have built a ship 100 meters 后面两个空 Since last Saturday the workers have done what they could ____(make)the city more beautiful. True,the cost of living（）,but so have the workers' The workers in the Disneyland are not allowed to have beards.改被动态 customers have complained nearly continuously about the long linesand disgruntled workers at the store.怎么翻译? 把下列句子改为被动语态4、The workers have alreadly built a bridge The workers have very modern e_____ in their factory and they work fast.填什么单词? He asked about the factories and workers ___I have ever visited.Which hat为啥 填空 The workers can __ (have）a rext at noon. If Sept.11 had never happened the airport workers would not have been arrested and could have gone probably indefinitely