Find the mistakes and write the correct sentences. One sentence is correct.

Paul, who car is parked outside, works at the museum
Paul, whose car is parked outside, works at the museum.
Mum bought me a phone which it was easy to use.
Have you looked at the map I brought?
Sasha who is one of the most experienced travellers went to Thailand.
Can you tell me how you are so late?
This is the book what I got in Holland.