A. Forming library research teams B. By forming library research teams C. To form library research teams D. Formed library research teamsĐoạn văn76/83Mark the letter A, B, C, or D on your answer sheet to indicate the correct option that best fits each of the numbered blanks from 72 to 77.Forming library research teams By forming library research teams To form library research teams Formed library research teamsGiải thíchChọn đáp án A