whattheyhavedone___usefultothepeople.A.areconsideredB.isconsideredC.wereconsideredD.willbeconsidered为什么选B
<p>问题：whattheyhavedone___usefultothepeople.A.areconsideredB.isconsideredC.wereconsideredD.willbeconsidered为什么选B<p>答案：↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">马斌良的回答：<div class="content-b">网友采纳 首先：whattheyhavedone是一个主语从句,当从句作主语的时候,主句谓语应该用单数． 所以排除AC 其次：根据句意："我们已经做的事情被认为对人们很有用",由havedone可知时态应该用一般 现在时,所以排除D 综上,答案选B
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