=>
IV/
2. I was delighted to learn that I had been promoted.
3. It was stupid of him to press the emergency button.
4. It is necessary to have interests outside work.
5. It was very generous of John to give them £100.
6. They were astonished to see the driver was a six-year-old boy.
7. It was very kind of you to visit me in hospital.
8. It is very important for athletes to be in good health.
9. We’re sorry to hear that your father’s in hospital again.
10. It was very rude of him to make that remark.
VII/
1. He was confident to say that he was the best student in his school.
2. After Phong had worked hard for a week, he went to the beach.
3. I am excited to learn that I can come to visit my friend in Phu Yen next month.
4. It is necessary to teach those children about how Vietnam has transformed itself.
5. It was rude of her to shout at his face in the department store.
6. My father was pleased to learn that I had passed the entrance exam to high school.