Bài tập Tìm sửa lỗi sai có đáp án Phần 3

If I had realized that you were waving at me, I would stop

19/100

If I had realized that you were waving at me, I would stop.

             A                 B                     C                  D

0/3000 ký tự
Giải thích

Đáp án đúng là: D