I
1. It's difficult to understand him.
2. It's easy to learn Vietnamese.
3. Your writing is difficult to read.
4. They're ready to start now.
5. It's not easy to answear these questions.
II
1. Ken is sure that he will win.
2. I'm sorry I was rude to you yesterday.
3. We're afraid that we have no news.
4. I'm glad you enjoyed the meal.
5. I'm disappointed that you didn't have good marks.