Passengers are permitted ________only one piece of hand luggage onto the plane.[

Passengers are permitted ________only one piece of hand luggage onto the plane.[

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Passengers are permitted ________only one piece of hand luggage onto the plane.[     ]
A. to carry    
B. carrying
C. to be carried  
D. being carried
答案
A
举一反三
        this cake, you"ll need 2 eggs, 175 g sugar anci 175 g flour.    [     ]
A. Having made    
B. Make  
C. Making    
D. To make
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Measures have been taken ________ the spread of the HIV.[     ]
A. arresting
B. arrested
C. to arrest
D. for arresting
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       the safety of gas, the government has checked the city"s gas supply system thoroughly.[     ]
A. To ensure      
B. Ensuring      
C. Having ensured      
D. To have ensured
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Yao Ming is practicing hard in Houston           himself for the coming new NBA season. [     ]
A. improving        
B. improved      
C. improve        
D. to improve
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       more about the university course, call (920)746-3789.   [     ]
A. To find out                
B. Finding out
C. Find out                  
D. Having found out
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