III. Rewrite the sentence with " It was not until...that"

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

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

3. It was not until 35 that Lan went abroad

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

5. It was not until the teacher came that he stopped singing

6. It was not until she received his letter that she wrote back to him

7. It was not until yesterday that the letter arrived.

8. It was not until last summer  that we had a holiday

9. It was not until last summer that we finish it

10. It was not until the child‘s mother came home that she went to sleep.

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

12. It was not until the patient received that new treatment that her heart condition improved.

13. It was not until he felt too tired that he stopped working.

14. It was not until the police had some proof that they made some accusations.

15. It was not until the last visitor left that the little girl opened the gifts.