Respuesta :
The sentences that contain a restrictive or nonrestrictive relative clause are:
- The car, which took Miah months of saving money to buy, is parked in the garage.
- The bicycle that Kameron has had since he was ten years old is still in great shape.
What is a Restrictive Clause?
This is a type of clause which introduces information that is important to a text and its understanding.
Hence, we can note that the third answer is "Sierra met the boy whose parents recently opened the restaurant across the street."
Read more about restrictive clauses here:
https://brainly.com/question/952810