Bài tập Tìm sửa lỗi sai có đáp án Phần 1
Xem toàn bộ quiz

Someone was knocking at the door when I was doing the washing up

4/100

Someone was knocking at the door when I was doing the washing up.

                       A                  B                       C                    D

 

0/3000 ký tự
Giải thích

Đáp án đúng là: A