Themedicine________cool,cleananddry.AmustkeepBmustbekeptCmustbecarriedDmustbein
<p>问题：Themedicine________cool,cleananddry.AmustkeepBmustbekeptCmustbecarriedDmustbein<p>答案：↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">白雪梅的回答：<div class="content-b">网友采纳 【分析】本题主要从以下两方面分析：①含有情态动词must的被动语态，其结构为mustbe+过去分词；②keep+名词/代词+形容词/介词短语，表示使某人或某物保持某种状态。综上所述不难得出选项mustbekept为正确选项。原...
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