(2011·天津高考)Passengers are permitted______ only one piece of hand luggage onto the plane.
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A
to carry
B
carrying
C
to be carried
D
being carried
推荐题目
    Our trip was_______. We did not find anything unusual.
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A
exciting
B
disappointing
C
excited
D
disappointed
.Professor White has received a letter ___ to give a lecture in Peking University.
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A
to be invited
B
being invited
C
invited
D
inviting him
It is no use________without doing.
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A
to promise
B
promising
C
promise
D
to be promised