Answer: 1. B
It credits her for writing amazing books for children and then credits her for writing amazing books for adults. 
2. D
3. B
4. A
5. B
 
        
                    
             
        
        
        
Answer:
He is a teacher
Mr. Surendra is a math teacher
Explanation:
If you're in doubt, say it out loud. It could also be 'the'.