（湖南省怀化市2014年高三第二次模拟考试）23. Mr. Smiths was busy writing a story, only ______ once in a while to smoke a cigarette.
#88410
A
to stop
B
to have stopped
C
being stopped
D
stopping
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My friend Jack was the first person I knew ______an iPhone 5S.
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A
using
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to use
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in a red skirt in the opening ceremony of the 2008 Olympic Games, the little girl Lin Miaoke won the hearts of the people all over the world．
#98948
A
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Worn
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A
your keeping
B
you to keep
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that you keep
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A
used
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#95906
A
having left
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left
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to leave
D
leaving