单项选择题

The ability ______ is very important for any speaker.

A．to hear clearly
B．to be clearly heard
C．to hearing clearly
D．to being clearly heard
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单项选择题
I'm far from ______ with what you have done.
A．pleased
B．pleasing
C．pleasure
D．please
单项选择题
The Olympic Committee has drawn up strict rules for the sportsmen to ______.
A．go by
B．go on
C．go over
D．go after
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