Xi'an is one of the few cities with city walls whose remain

Xi'an is one of the few cities with city walls whose remain Xi'an is one of the few cities with city walls Xi'an is one of the few cities that remains the city walls a Xi’an is one of the _______ (lively) cities in the northwest Xi'an is one of the best cities which are famous for its his xi'an is one of the best cities which____famous for its hist Xi’an is one of the oldest.（city）in China. introduce the city of xi'an Xi'an is one of ___________oldest ___________in the world. Welcome Our city is one of the m_______ beautiful cities in XI'an is older than____in East China A.any cities B.any city 一道英语题目,求讲解 Xi'an is a city in the _____ of China