1. It was not until 1915 that cinema began an industry 

2. It was not until my son was 5 that he started talking

3. It was not until Lan was 15 that she went abroad 

4. It was not until midnight that we went to bed 

5. It was not until the boys's teacher came that they stopped singing 

6. It was not until she received a letter from him that she wrote to him

7. It was not until yesterday that the letter received 

8. It was not until the end of that summer that the we finished it 

9. It was not until the child's mother came home that she went to bed 

10. It was not until the boy's father threatened to punish him that he told the truth

Chúc bạn học tốt !!!