MAN HAS WITNESSED A GREAT MANY SIGNIFICANT _________ OF SCIENCE AND TECHNOLOGY IN THE PAST FEW DECADES

28. - BÀI TẬP VỀ TỪ LOẠI
BÀI TẬP VỀ TỪ LOẠI
28. Man has witnessed a great many significant _________ of science and technology in the past few decades.A. accomplishes B. accomplished C. accomplishments D. accomplishers