A. a          
B. an            
C. /        
D. the

A. a
B. the
C. an

 A. a          
 B. an         
 C. the      
 D. /

A. /
B. an
C. a
D. the

A. a couple of            
B. couple of  
C. couple            
D. a couple  

1. This morning I had _______ egg and_______ bottle of  milk for my breakfast.  
2. —What's the matter with you?      
    —I caught _______ bad cold and had to stay in _______ bed.  
3. There is _______ "h" in the word hour.
4. _______ sun is bigger than . _______ earth.
5. This is_______ song I've told you about. Isn't it_______   beautiful one?

A. a; four      
B. an; fourth      
C. a; fourth

A. a                  
B. an    
C. the                  
D. /

A. a          
B. an    
C. the        
D. /

A. a; the            
B. the; the
C. a; a              
D. the ; a