Đáp án:
1. Isn't there any other way to reach the city centre?
- way + to V/not to V
2. Does your aunt have to be met at the station?
CT: It is essential/necessary/vital... (+ for some) + to do something
= It is essential/necessary/vital... that someone do* something
3. India is India is where I'd like to visit most in the world.
4. Martha asked Peter when the first day of his holiday was.
- CT: S + asked/asked + sb/wondered/wanted to know + Clause
5. It takes the boy 3 hours a day to learn the lesson.
- CT: It takes/took (sb) + time + to do something