Millions of people have visit Disney World in Orlando, Florida, since it opened.Đoạn văn5/40Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions. Millions of people have visit Disney World in Orlando, Florida, since it opened. Millions of peoplehave visitinsinceGiải thíchChọn đáp án B