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:
________ Charles Danvin _______ the Galapagos Islands, he might never have developed his theory of evolution.
Đáp án là D. Cấu trúc rút gọn if câu điều kiện loại III: Had + S (+not ) + PII, S + would/could/might.. + have + PII.