Peter didn’t revise the lessons carefully. He couldn’t pass the final exam

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Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences in the following questions.
Peter didn’t revise the lessons carefully. He couldn’t pass the final exam.

If Peter didn’t revise the lessons carefully, he could pass the final exam.

If Peter had revised the lessons carefully, he could have passed the final exam.

If Peter hadn’t revised the lessons carefully, he could have passed the final exam.

If Peter revised the lessons carefully, he could pass the final exam.

Giải thích

Giải thích:

Câu điều kiện loại 3.

Đáp án B

Tạm dịch:

Nếu Peter ôn lại bài học kĩ càng, thì anh ấy đã có thể vượt qua kỳ thi cuối kỳ.