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英语 小学 · 五年级 译林版 · 五年级上册 单选题 ★★★☆☆ 编号 #9638
My sister ___ the door by the end of last year.
A. will open
B. has opened
C. will be opened
D. had opened
章节：动词的时态 · 知识点：过去完成时 · 标签：时态,过去完成时,语法
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