该 填 什 么?
<P> 如 题 目:</P><P>I can see some ducks <U> </U> in the river.</P>
<P>A swims B swimming C swiming D to swim</P> Bswimming <P>原帖由 <I>xiaolu</I> 于 2007-6-13 18:19 发表 B swimming </P>
<P> </P>
<P>xiexie.</P>
<P> </P>
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