◎ 题干
We ______ four thousand new words by the end of last year.
[     ]
A. learned
B. had learned
C. have learned
D. will learn
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“We ______ four thousand new words by the end of last year. [ ]A. learnedB. had learnedC. have learned D. will 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。