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

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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