题目内容

A sharp sword was found buried together with the royal carpenter, which was believed _____himself
  against grave robbers.    
[     ]
A. used to defend  
B. being used to defend  
C. to be used to defending  
D. to be used to defend
D
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相关题目
If water becomes increasingly scarce in decades _______, water shortage will become a hot issue all over the world.  
[     ]
A. coming
B. having come
C. to come  
D. to be coming
He hurried to the station only ______ that the train had left.

[     ]

A. to find
B. finding
C. found
D. to have found
If you ______ a fresh mind for an interview, be sure to have a good sleep the night before it.
[     ]
A. will have        
B. have had      
C. are having    
D. are to have
The wreckage of something like a jet plain discovered in the heart of the desert is believed ______ a UFO and _______down for reasons still mysterious.     
[     ]
A. to be; have fallen  
B. to have been; to have fallen  
C. to be; to fall  
D. having been; having fallen
All of them try to use the power of the workstation____ information in a more _____way.    
[     ]
A. presenting ; effect            
B. presented ; effective    
C. being presented ; effect      
D. to present ; effective
In order to see better in the dark cave, they made a fire ______ light.
[     ]
A. give  
B. giving  
C. to give  
D given
Schools across China are expected to hire 50,000 college graduates this year as short-term teachers, almost
three times the number hired last year, _____ reduce unemployment pressures.
[     ]
A. help
B. to have helped
C. to help
D. having helped
The government has taken measures          air quality.
[     ]
A. to improve
B. improved
C. being improved
D. to be improved

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