I didn’t pay attention to the teacher.I failed to understand the lesson. A. Although I paid attention to the teacher,I failed to understand the lesson. B. I would have understood the lesson i
I didn’t pay attention to the teacher.I failed to understand the lesson.
A. Although I paid attention to the teacher,I failed to understand the lesson.
B. I would have understood the lesson if I had failed to pay attention to the teacher.
C. I would have understood the lesson if I had paid attention to the teacher.
D. Unless I failed to understand the lesson,I would pay attention to the teacher.