单项选择题

So urgent ______ that the doctor rode away without delay.

A．the case was
B．it was the case
C．the case being
D．was the ease
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单项选择题
The answer is confusing and I can hardly make ______ of it.
A．sense
B．understanding
C．explanation
D．meaning
单项选择题
The speaker was booed for his proposal, and that was certainly not ______.
A．the anticipation response
B．the anticipated response
C．the response of anticipation
D．the anticipating response
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