meili 发表于 2022-10-27 15:32:08

Pleasemakesureallthemobilephones______offduringtheperformance.()A.turnB.areturnedC.turnedD.wereturned

<p>问题:Pleasemakesureallthemobilephones______offduringtheperformance.()A.turnB.areturnedC.turnedD.wereturned
<p>答案:↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">顾立禹的回答:<div class="content-b">网友采纳  答案:B根据the mobile phones ______ off during the performance.可知这句话的主语是the mobile phones,是动作的承受者,它和动词turn构成被动关系,所以应该用被动语态.请确保在演出过程中,所有的手机都要关机.可知是说现在的情况,应该用一般现在时.一般现在时的被动语态的构成:am/is/are+及物动词的过去分词.主语the mobile phones,是复数,所以应该是are turned,故选:B.
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