The police _______ for the robber for long but they have failed to find him so far.A. Have lookedB. Have been lookingC. Has lookedD. Has been looking 0 0 votesArticle Rating Subscribe LoginNotify of new follow-up commentsnew replies to my comments Label {} [+] Name* Email* Website Label {} [+] Name* Email* Website 0 Comments Oldest Newest Most Voted Inline FeedbacksView all comments