Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. George wouldn't have met Mary________to his brother's graduation party.
A. if he has not gone
B. had he not gone
C. if he shouldn't have gone
D. hadn't he gone
* Đáp án
* Hướng dẫn giải
Đáp án là B. Đảo ngữ câu điều kiện loại III: Had+S (+not ) +P2, S + would + have + P2.