(2013·天津新华中学二次月考)________ several times,he still couldn't understand how to operate the machine.
#89556
A
Telling
B
Having told
C
To be told  
D
Having been told
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On average, 50 percent of those _____ said they would prefer to see Mr. Obama win the 2012 ticket, _____to just nine percent who prefer Mr. Romney.
#90909
A
to be questioned; compared
B
having questioned; comparing
C
questioned; compared
D
questioning; comparing
The missing boys were last seen _______ near the river.
#90108
A
to play
B
to be playing
C
play
D
Playing
She was reported by the hospital spokesman _____ excellent progress.
#95636
A
to make
B
to be making
C
made
D
having made