Question 49: His parents are away on holiday. He really needs their help now.
      A. As long as his parents are at home, they will be able to help him.
      B. He wishes his parents were at home and could help him now.
      C. If his parents are at home, they can help him now.
      D. If only his parents had been at home and could have helped him.
Question 50: He finally contracted the disease. He was aware of the importance of preventive measures only then.
      A. But for his awareness of the importance of preventive measures, he could have contracted the disease.
      B. Hardly had he been aware that preventive measures were essential when he contracted the disease.
      C. Not until he was aware of the importance of preventive measures did he contract the disease.
      D. Only after he had contracted the disease was he aware that preventive measures were essential.
Đề Minh Họa TN THPT 2021 - Tiếng Anh - Đề Bộ Giáo Dục