Lucy ______ English for six years by the end of last year.

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问题 Lucy ______ English for six years by the end of last year.

选项 A、had learned
B、learned
C、has learned
D、could have learned

答案A

解析在by the end of+过去时间状语结构中，主句谓语动词要用过去完成时。

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大学英语三级B级

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