I'd like to buy a "billete ida-vuelta"
A return ticket
In the USA, it is possible to drive at 16
In the USA, you can drive at 16
It's not necessary to wake up early on Sunday
You don't have to wake up early on Sunday
It is prohibited to drink alcohol under the age of 18 in the UK
You can't drink alcohol under the age of 18 in the UK
It's necessary to carry ID in Spain
You have to carry ID in Spain
