If they took their language lesson seriously, they - Dicamon

Question

If they took their language lesson seriously, they would be able to communicate with the locals now. A. took B. seriously C. would be D. with the locals

Answer

Đáp án A thành “had taken” Câu điều kiện loại kết hợp If+S+had+V pII + would/ could/ might + Vinf (now) diễn tả giả định trong quá khí nhưng ảnh hưởng đến hiện tại.