He made a great discovery. He was very proud of it.14/21He made a great discovery. He was very proud of it.He was very proud of what he made a great discovery.He took pride in making a great discovery.He was interested in a great discovery.He was very proud of he made a great discovery.Giải thíchĐáp án đúng: B Dịch: Anh ấy tự hào vì có một khám phá tuyệt vời.