theroomneeds____beforewemoveina.cleanedb.cleaningc.beingcleanedd.toclean哪个对,主要是其他3个为什么不对?
<p>问题：theroomneeds____beforewemoveina.cleanedb.cleaningc.beingcleanedd.toclean哪个对,主要是其他3个为什么不对?<p>答案：↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">刘漳辉的回答：<div class="content-b">网友采纳 cleaning. sthneedstobedone=sthneedsdoing. 这就是need后面跟被动语态的两种形式.
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