Most stores in large American cities close _______ five or six o’clock on week days, but the malls in the suburbs stay open much later.A. InB. At C. UntilD. On 0 0 votesArticle Rating Subscribe LoginNotify of new follow-up commentsnew replies to my comments Label {} [+] Name* Email* Label {} [+] Name* Email* 0 Comments Oldest Newest Most Voted Inline FeedbacksView all comments