By the end of this year, a new library in our school.A would be completed B will have be

发布时间:2020-08-16 23:10:29

By the end of this year, a new library      in our school.
A would be pleted                                           B will have been pleted
C had been pleted                                             D was being pleted

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解析:考查时态。By与完成时连用,the end of this year是一个将来的时间,使用将来完成时。句意:到今年年底,一座新的图书馆在我们学校将已经被建立。
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