The  new machine  is technically far     to the previous type.    
[     ]
A. superior      
B. junior    
C. senior      
D. equal
It’s unfair to discuss his case if he is not____.    
[     ]
A. present    
B. presently    
C. absent      
D. presence
I am        that he has not answered my letter.  
[      ]
A. bothered    
B. interrupted  
C. interfered    
D. annoyed
At only ten years old, she is very         , doing a lot of things all by herself.
[     ]
A. independent    
B. dependent
C. undependent    
D. depend
The teacher got very       when the boy student refused to answer his question.    
[     ]
A. annoying    
B. being annoyed    
C. to be annoying    
D. annoyed
The         output of steel has doubled this year.    
[     ]
A. yearly                    
B. annual
C. annually                
D. manual
It was several minutes before I was            of what was happening.      
[     ]
A．know                    
B．realize      
C．wear                    
D．aware
He cut down a tree with a           axe.      
[     ]
A．sharp                    
B．sharpen      
C．sharpener                
D．sharply
In the first half of the 1980s, the economy was growing at an       rate of 7 percent.      
[     ]
A. yearly                        
B. annual      
C. amount                        
D. manual
You must be       that what you are doing is quite illegal.     
[     ]
A. aware                        
B. confident      
C. awful                          
D. magnificent
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