◎ 题干
They ______ about eight hundred English words by the end of last term.
[     ]
A. have learned              
B. had learned    
C. will learn                  
D. are going to learn
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“They ______ about eight hundred English words by the end of last term. [ ]A. have learned B. had learnedC. will learnD. are going to learn…”主要考查了你对  【过去完成时】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。