those students ... the lessons better if they listened to their teacher more attenively A : understand B: understood C would understand D will understand ? vì sao .

Để giải câu hỏi trên, chúng ta cần sử dụng cấu trúc điều kiện loại 2 (second conditional). Câu hỏi đưa ra một giả định và yêu cầu chúng ta chọn đáp án cho câu hỏi.

Câu trả lời cho câu hỏi trên có thể là:
- Those students would understand the lessons better if they listened to their teacher more attentively. (C: would understand)

Cách làm thứ hai:
- If those students listened to their teacher more attentively, they would understand the lessons better. (C: would understand)

Cả hai cách làm trên đều sử dụng cấu trúc second conditional và điền vào chỗ trống bằng "would understand".

The key to improving their comprehension of the lessons is for those students to pay closer attention to their teacher.

Listening to their teacher more attentively would help those students understand the lessons better.

If those students listened to their teacher more attentively, they would have a better understanding of the lessons.

The correct answer is C: would understand.