Question

Which sentence does not contain any punctuation errors? A. My sister sat down, opened the book and read several pages to us. B. My sister sat down opened the book and read several pages to us C. My sister sat down, opened the book, and read several pages to us. D. My sister sat down, opened the book, and, read several pages to us.

Answer 1

It's A because there are multiple enumerations separated by a comma and the coordinator 'and' which case you do not use comma when using it.