Choose the best answer: Please turn off ________ air-conditioner when you leave________ room

1.Please turn off ________ air-conditioner when you leave________ room
A. the – the
B. a – the             
C. a – a                
D. the – a
2. Jim hasn’t found________ place to________ night.
A. the – the
B. a – the             
C. a – a                
D. the – a
3. Can you show me ________ way to________ post office please?  
A. the – the
B. a – the             
C. a – a                
D. the – a
4. Mr. Smith is________ old customer of my store and he is also________ man
A. the – the
B. a – an              
C. an – a              
D. the – a
5. My brother has bought me________ beautiful dress as a birthday present.
A. the
B. a                     
C. an                   
D. Ø
6. Jim is________ youngest boy of the family and this year he will go to ________ school.
A. the-Ø               
B. a – a                
C. a – the             
D. the – a
7. There is a huge gap between________ rich and________ poor in this country.
A. the – the
B. a – an               
C. a – the             
D. the – a
8. Peter was in________ hospital and yesterday we went to________ hospital to visit him.
A. the – Ø
B. the – the          
C. Ø – the            
D. the-a