He did not work hard. He failed the exam. A. Unless he had worked hard, he would have failed the exam. B. Even though he failed the exam, he didn’t work hard. C. If he had worked hard, he would have passed the exam. D. However hard he worked, he failed the exam.

Cách làm:

- Phân tích biểu diễn của câu gốc: He did not work hard. He failed the exam.
- Tìm ra quan hệ giữa hai sự kiện trong câu gốc.
- Dựa vào quan hệ đó, chọn câu trả lời phù hợp.

Câu trả lời:
A. Unless he had worked hard, he would have failed the exam.
C. If he had worked hard, he would have passed the exam.

However hard he worked, he failed the exam. This sentence indicates that regardless of the effort put in, the person still ended up failing the exam.

If he had worked hard, he would have passed the exam. This statement suggests that had the person worked hard, he would have been successful in passing the exam.

Even though he failed the exam, he didn’t work hard. This sentence highlights the fact that despite failing the exam, the person did not put in enough effort.

Unless he had worked hard, he would have failed the exam. This sentence implies that the person did not work hard and as a result, he failed the exam.