题目内容

Latest researchers show children _______ with high levels of air pollution during their first year of life run a great risk of developing certain disease.
[     ]
A. to be associated
B. being associated
C. having been associated
D. associated
D
练习册系列答案
相关题目
Lucy has a great sense of humour and always keeps her colleagues ________ with her stories .
[      ] 
A. amused  
B. amusing
C. to amuse  
D. to be amused
They share with each other the information      from the Internet．
[     ]

A．downloading      
B．downloaded  
C．to download      
D．having been downloaded

The first prize winner_______, John was so disappointed that he felt unwilling to know the rest results.
[     ]
A. announcing    
B. announced  
C. was announced    
D. had been announced
You'd better have your shoes         .
[     ]

A. mending          
B. to mend
C. mend            
D. mended

Before driving into the city, you are required to get your car ____.
[     ]
A. washed            
B. wash              
C. washing      
D. to wash
When         for his views about his teaching job, Philip said he found it very interesting and rewarding. 
[     ]

A. asking        
B. asked            
C. having asked    
D. to be asked

When he looked up, he suddenly found himself _____ by a group of teenagers, _____ looked at him
anxiously.
[     ]
A. to be surrounded; which
B. surrounded; who
C. be surrounded; who
D. having been surrounded; which
On the way back home from the ball,she suddenly found her necklace________.
[     ]
A. missed  
B. losing
C. gone  
D. be stolen