Viết lại câu: I would love to be rich and famous. It took a long time for them to decide to get married

1.I would love to be rich and famous
=> If only______________
2.It took a long time for them to decide to get married
=>They____________
3.He hasn't been back to his home town for over 20 years now
=> It is___________
4.A fire destroyed most of the old city of London in the 1600s
=> The destruction___________
5. Travelling by plane is much more expensive than travelling by train
=> Travelling by train_________