题目内容
【题目】By the end of last term, we ________ English for four years.
A. have learned B. learned C. would learn D. had learned
【答案】D
【解析】句意：到上个学期末，我们已经学了四年的英语了。by+过去的时间点或by+the time+一般过去时态的句子，一般用过去完成式，故选D。
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题目内容
【题目】By the end of last term, we ________ English for four years.
A. have learned B. learned C. would learn D. had learned
【答案】D
【解析】句意：到上个学期末，我们已经学了四年的英语了。by+过去的时间点或by+the time+一般过去时态的句子，一般用过去完成式，故选D。