1. What happened to Junior while he was trick-or-treating? Do you think Rowdy was involved? Why or why not?

sentence lenght varies according to word choice.you select which word to use and that will require to use other expressions that collocate with the word chosen.sentence length will vary   according to the choice of words you make to express your ideas.  

im not entirely sure, but i think the answer is listing

corn is your best answer.

pennfoster ? here you go

1. heat

2. acquitted, exonerated

3. rough

4. common

5. hate

6. harmful, toxic

7. public

8. apart

9. despise

10. careless

11. put

12. received

13. become

14. received

15. persuaded

16. make