WHEN I GOT TO THE OFFICE, I --- THAT I HAD FORGOT TO LOCK THE DOOR...

Tiếng Anh Tổng hợp 24 đề thi thử Đại học môn Tiếng Anh 2016

12. When I got to the office, I --- that I had forgot to lock the door. ạ realized b. had realized c. realize d. have realized