【learn的过去式,现在完成时Bytheendoflastterm,we()about500newwords.A,havelearnedB,hadlearnedC,willhavelearnedD,learned】
<p>问题：【learn的过去式,现在完成时Bytheendoflastterm,we()about500newwords.A,havelearnedB,hadlearnedC,willhavelearnedD,learned】<p>答案：↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">陈爱武的回答：<div class="content-b">网友采纳 为你解答. Bytheendoflastterm,we(B,hadlearned)about500newwords. 截止到上学期期末,我们已经学了大约500个新单词. 解释：时间状语是截止到过去的某个时间,要用过去完成时态,动词形式为助动词had加上过去分词构成.
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