III:
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Trả lời câu hỏi dưới đây:
George wouldn't have met Mary_______ to his brother's graduation party.
Đáp án là A.
Đảo ngữ của câu điều kiện: Had + S ( + not ) + PII, S + would + have + PII.