Mr.Frank gave Anne the diary after they moved into the Secret Annex to write down her thoughts and whatever was on her mind. 
Peter and Anne have a delicate relationship at the beginning,( and they often argued!), but later, they become more affectionate towards each other.
 
        
             
        
        
        
Hello!
<em><u>Answer: A. Noun</u></em>
Explanation:
↓↓↓↓↓↓↓↓↓↓
Noun is a person, place, or thing. 
For Example:
↓↓↓↓↓↓↓↓↓↓↓
Person:
↓↓↓↓↓↓↓↓
- singer
- Chris
- principal 
- police officer
- football player
- doctor
Place:
↓↓↓↓↓↓↓↓
- school
- Walmart
- football stadium 
- farm
- park
Thing:
↓↓↓↓↓↓↓
- soccer ball
- basketball
- football
- books
- headphones
- sunglasses
- toys 
- tennis ball
Hope this helps!
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Have a great day!
-Charlie