Bài tập Tìm sửa lỗi sai có đáp án Phần 3

If we had knew when the meeting started, we would have told you

14/100

If we had knew when the meeting started, we would have told you.

A            B                                      C                     D

0/3000 ký tự
Giải thích

Đáp án đúng là: B