Only __________according to the directions can the medicine be quite effective. 

Only __________according to the directions can the medicine be quite effective. 

题型:同步题难度:来源:
Only __________according to the directions can the medicine be quite effective.    [     ]
A. taking                        
B. taken    
C. being tak"en                  
D. having been taken
答案
B
举一反三
Many of the crimes have gone_________,because some people dare not report them to the police.
[     ]
A. unnoticing                  
B. unnoticed
C. to be unnoticed            
D. to have been unnoticed
题型:同步题难度:| 查看答案
__________time,he"ll make a first-class tennis player.     [     ]
A. Give                              
B. To be given    
C. Given                            
D. Giving
题型:同步题难度:| 查看答案
The disc, digitally _________ in the studio, sounded fantastic at the party that night.     [     ]
A. recorded                        
B. recording    
C. to be recorded                    
D. having recorded
题型:同步题难度:| 查看答案
The two scientists have discovered 65 0f the more than 100 planets ________orbiting other stars.     [     ]
A. have been found              
B. have found    
C. to be found                      
D. found
题型:同步题难度:| 查看答案
The most popular food for foreigners__________on any menu in Beijing is roast duck.       [     ]
A. include                            
B. including      
C. to include                        
D. included
题型:同步题难度:| 查看答案
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