All the students were excited        that English would become an optional course.
#96628
A
hearing
B
to have heard
C
heard
D
to hear
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      how to solve the problem, the little boy turned to his father for help.
#96894
A
Not knowing
B
Having not known
C
Not having been known
D
Not known
Look at his_____ look. It seems as if he had met a_____ tiger.
#96299
A
frightened, frightening
B
frightening , frightened
C
frightened, frightened
D
frightening , frightening