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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