1. They let him write a letter to his wife.
2. After the train had left, he arrived at the station.
3. Peter and Maria decided to go to the cinema.
4. Would you like to drink a cup of coffee?
5. Before she went to school, she had done homework.
6. Mr. Cuong suggested organizing an English competition for our student.
7. Mr Thanh apologized for being late.
8. Ba denied having taken sue's calculator.
9. Nam accused Henry of having taken his pencil.
10. He insisted to see the manager.
11. To speak to him is easy.
12. Before he went to the cinema, he had bought the ticket.
13. Reading his book is exciting.
