You can hardly imagine the once clear canal _____ so seriously polluted that no

You can hardly imagine the once clear canal _____ so seriously polluted that no

题型:同步题难度:来源:
You can hardly imagine the once clear canal _____ so seriously polluted that no fish can live in it. [     ]
A. have become  
B. having become  
C. to have become  
D. to become
答案
B
举一反三
_______to reach them on the phone, we sent an e-mail instead. [     ]
A. Fail                
B. Failed          
C. To fail              
D. Having failed
题型:安徽省月考题难度:| 查看答案
_________a reply from his son in Japan, he decided to write again.[     ]
A. Not to receive            
B. Receiving not
C. Not having received      
D. Having not received
题型:广西壮族自治区月考题难度:| 查看答案
____ my homework, I have no time for computer games.  [     ]
A. Not finishing
B. To be finishing
C. Having not finished
D. Not having finished
题型:山东省期末题难度:| 查看答案
_____ with his wife twice, James decided it was time that they had a heart-to-heart talk.[     ]
A. Quarreling   
B. Quarreled
C. Having quarreled   
D. To quarrel
题型:四川省月考题难度:| 查看答案
___ the danger of drunk driving, many drivers promised never to drive after drinking.  [     ]
A. To realize    
B. To have realized    
C. Realized    
D. Having realized
题型:河南省期中题难度:| 查看答案
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