问题描述：
As the proverb goes ,shallow streams make most noise _____ still wa
As the proverb goes,shallow streams make most noise _____ still waters run deep.
A .however B .while C.as D.because
As the proverb goes,shallow streams make most noise _____ still waters run deep.
A .however B .while C.as D.because
问题解答：
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