B. Mistakes
The preposition here is "for" so the object or noun that goes with it is mistakes.
        
             
        
        
        
Answer:
- By replacing the word dark with unlight or by simply placing an “un’ before a word would cause it to be negative.  On the other hand, if the prefix is “plus” then it’s positive.
- Part of speech isn’t specific; therefore making any word become a part of speech.
Explanation:
hope this helps :)
 
        
             
        
        
        
8. b. comparison
9. b. comparison and/or contrast
10. d. time order
11. c. on vacation
12. b. there might be no yellow handkerchief on the tree
13. true