_______ by thick bamboo and high forest, the ancient city hadn’t been discovered until the 1990s.
#91682
A
Surrounding
B
Surround
C
Surrounded
D
Having surrounded
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They would not allow him ________ across the enemy line. 
#98787
A
to risk going
B
risking to go
C
for risk to go世间
D
risk going
        the room, the nurse found the tape recorder            .
#90853
A
Entering; stealing
B
Entering; gone
C
To have entered; being stolen
D
Having entered; to be stolen
  for the terrible accident, as the public thought, the major felt nervous and at a loss what to do.
#97492
A
Having blamed
B
To blame
C
Being to be blamed
D
Being to blame
He ran as fast as he could _____ to catch the bus.
#98884
A
hope
B
to hope 
C
hoping
D
hoped