The rest comes after me. Is it correct?

Which punctuation mark would best fill in the blanks in the following sentence in the past year i visited denver, colorado portland oregon and seattle washington

Which type of appeal does president lincoln use in these lines to try to persuade southerners

Which sentence is correctly punctuated? a. i haven’t found a new job, and i don’t plan to look for one until i have to. b. my work is piling up—day to day—and i can’t seem to get caught up. c. i know things could be worse (they have been in the past).