Is saying "He goes to England tomorrow." gramatically incorrect?

Which two phrases in this information about medicare prescription drug coverage are noun phrases

Introduction to making a difference: it’s our world, too!

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).