The monument was built in honor of the explorer who was believed _____ the river.
#98927
A
to have discovered   
B
to have been discovered
C
to discover  
D
having been discovered
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The examination results __ in the speech of our headmaster  delighted all of us.
#94383
A
refer to
B
referring to
C
was referred to
D
referred to
______me, he walked up to me, smiling.
#96666
A
To see
B
For seeing
C
On seeing
D
Because seeing