1.This is____eraser and that is____ruler.
2.        book is____English book.
3. Is this her ____ baseball?
4. —What color is ____ schoolbag?
    —It's yellow.
5. Mike is at____school.
6. ____orange is____orange.
7. Is that your____notebook in____ lost and found case?
8. —What's this?
    —It's____ID card.
9. —Is that____watch?
    —No,it isn't. It's____set of keys.
10. ____ baseball is white.

A. a    
B. an    
C. the    
D. ／

A. Eight        
B. The eighth        
C. The eight        
D. Eighth

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

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

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

[     ]

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

A. other              
B. another  
C. others            
D. the other

A. /, /
B. the, the
C. /, the
D. the, /