15.It was not until 1915 that cinema became an industry
16. It was not until his son was 5 that he started talking
17. It was not until Lan was 35 that she went abroad
18 It was not until midnight that we went to bed
19. He gave me his address for me to visit him
20.He studies hard in order that it won't fail in the exam
21. She turn down the radio in order that it won't disturb neighbors
