III.
1. for -> to
2.How far-> how long
3. the -> a
4.an-> a
IV.
1.I'm not interested in playing volleyball
2.It was not until last week that we went to the cinema
3.cấu trúc giống câu trên
4. My sister is going on a diet to lose weight.
Theo mình thì như vậy đấy