The old man came ______ to the railway station, only ______ the train was slowly pulling out of the station.
#93288
A
and ran; found
B
running; finding
C
running; to find
D
to run; finding
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(2014·江西红色六校二次联考)________little such material left,they decided to hold a meeting to discuss what________.
#88422
A
There was;was done 
B
Being;to be done
C
Having;to do 
D
With;was done
I know him ______ a good football player while in college.
#97511
A
to have been
B
to be
C
was
D
had been
 Though ______, many laws of nature exist.
#97974
A
not having been discovered
B
having not been discovered
C
not having discovered  
D
having not discovered