单项选择。
There are sixty minutes (分钟) in ______ hour.
[     ]
A．a
B．an
C．the
D．／
改错。
①What's this?  It’s a eraser.   
       A               B       C    
②Is this you ruler?       
     A       B    C               
③Excuse I. Are you Jim?                         
     A      B   C    
④This is my a book.       
     A       B        C     
⑤What's color is your book?          
       A       B                C  
—What's the matter with you?
—I caught          bad cold and had to stay in           bed.    
[     ]
A. a; /          
B. a; the        
C. a; a          
D. the; the
This is _____ key and that is _____ English book.
[     ]
A. a; a  
B. an; an  
C. a; an  
D. an; a
There is ____ "f" and ____ "d" in the word "friend".              
[     ]

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

—Hello, Li Ming, have you got         e-mail address?          
—Oh, yes, I have got one.  It's qzlm, @ hotmail. com.          
[     ]
A. an    
B. a      
C. /    
D. the
—What's wrong          your back ?        
—I have          sore back.        
[     ]
A. to; a    
B. with; a    
C. with; /    
D. to; the
一What's that? Is it ________ eraser?
一Yes,it is．It's my ________ eraser．
[     ]
A．a；the    
B．a；／    
C．an；the
D．an；／
There is _____ apple tree in our school.
[     ]
A. a    
B. the    
C. An
People will work three days            week.  
[     ]
A. a          
B. an        
C. the        
D. /
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