【Eachstudentandeachteacherisrequiredtosign____.Eachstudentandeachteacherisrequiredtosign________.AhisnameBtheirnames】
<p>问题：【Eachstudentandeachteacherisrequiredtosign____.Eachstudentandeachteacherisrequiredtosign________.AhisnameBtheirnames】<p>答案：↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">龚勇镇的回答：<div class="content-b">网友采纳 A,在这种情况下用单数形式,所以前面的动词也是单数形式
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