In the book, the author says that kids can change the world by changing their eating habits
Ah, I remember reading this and taking this test for homeschooling my Freshman year (:
In the story, "The Bet" by Anton P. Chekhov, the lawyer faces conflict in holding up his end of the bet.
Hope this helps! Let me know if it doesn't!
B. Took around half an hour to complete.
The complete predicate includes the verb and the rest of the sentence.
I'm pretty sure it's the last one; Everyone was having a wonderful time at the party, because the present tense helps it feel more active.