Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences given
He tried his best. He won the biggest prize.
If he had tried his best, he could have won the biggest prize.Unless he tried his best, he couldn’t win the biggest prize.Although he tried his best, he still won the biggest prize.If he hadn’t tried his best, he couldn’t have won the biggest prize.Hướng dẫn giải:Cấu trúc điều kiện loại III: If + S + had VpII, S + would/ could/ might + have + VpII.
Dịch: Anh ấy đã cố gắng hết sức. Anh ấy đã giành được giải thưởng lớn nhất.
