Respuesta :
Answer:
The first sentence is punctuated correctly
Explanation:
The grinding, groaning, and screeching sounds coming from the car’s brakes let us know it was time to visit the mechanic.
When listing three things in a sentence, there are commas after each thing, but when it comes to the last item, there should be the word “and” before the item. After that the sentence continues. This is called the Oxford Comma.
Answer:
The grinding, groaning, and screeching sounds coming from the car’s brakes let us know it was time to visit the mechanic. is the right answer
Explanation: