Trang chủ/Câu hỏi/Three of the new chemists, who ------- developed the material, will be recognized by the CEO at Saturday's ceremony.Quay lạiClick meXem chi tiết bài testChia sẻThree of the new chemists, who ------- developed the material, will be recognized by the CEO at Saturday's ceremony.A. collaboratingD. collaborativeC. collaborativelyB. collaborate