He said that he would take responsibility for the project. But then he denied that. He denied _________________________________________________________________
Giải thích
Hướng dẫn giải:
Đáp án đúng: He denied saying that he would take responsibility for the project.
Cấu trúc: S + deny + verb-ing / having + V3/V-ed
Dịch nghĩa: Anh ấy phủ nhận việc đã nói rằng mình sẽ chịu trách nhiệm cho dự án.