Which sentence correctly uses punctuation to separate items in a series? We saw retrievers, terriers and shepherds, competing at the dog show.

He needed to pack lightly and only brought two, shirts two, pairs of pants and a sweater.

Cirrus, cumulus, and stratus, are the three main types of clouds.

Don't forget to bring your pencils, paints, and an easel to the art class.
HELP ME PL!!

Don't forget to bring your pencils, paints, and an easel to the art class.

that’s the kind of bug henry was; and if we’d a had him along ’stead of our kings, he’d a fooled that town a heap worse than ourn done.”

now, of course, the quality and the seasonability of these winter dreams varied, but the stuff of them remained.   they persuaded dexter several years later to pass up a business course at the state university—his father, prospering now, would have paid his way—for the precarious advantage of attending an older and more famous university in the east, where he was bothered by his scanty funds. but do not get the impression, because his winter dreams happened to be concerned at first with musings on the rich, that there was anything merely snobbish in the boy. he wanted not association with glittering things and glittering people—he wanted the glittering things themselves. often he reached out for the best without knowing why he wanted it—and sometimes he ran up against the mysterious denials and prohibitions in which life indulges.

there you go thats what we are missing