I got caught in the rain and my suit        
[     ]

A. has nuned      
B. had ruined    
C. has been ruined      
D. had been ruined

Creat as Newton was, many of his ideas        today and are being modified by the work of scientists of
our time.    
[     ]
A.   have challenged        
B.   have been challenged    
C．have questioned      
D.   have been questioning
The construction of the two new railway lines       __by now.    
[     ]

A．has completed    
B．have completed    
C．have been completed    
D．has been completed

Professor James will give us a lecture on the Western culture, but when and where            yet.      
[     ]
A. hasn't been decided          
B. haven't decided      
C. isn't being decided          
D. aren't decided
When you get the paper back, pay special attention to what          .     
[     ]
A. have marked                
B. have been marked      
C. had marked                
D. had been marked
Festivals and celebrations of all kinds _________everywhere since ancient times.   
[     ]
A. have held    
B. were held    
C. had been held    
D. have been held
If Newton lived today, he would be surprised by what ______ in science and technology.  
[     ]
A. had discovered      
B. had been discovered  
C. has discovered      
D. has been discovered
— Is Lucy still hunting for a job?
— Yes. She _________ for 7 months.
[    ]
A. isn't employed  
B. wasn't employed
C. isn't being employed      
D. hasn't been employed
—My car _____ twice this month.
—I'm sorry to hear that.
[     ]
A. has been broken in  
B. was broken in
C. has been broken into  
D. was broken into
It has been announced that students shall remain in their seats until all the papers _____.
[     ]
A. will be collected  
B. were collected
C. have been collected  
D. have collected
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