作业帮it is said that the library ___80 years agohas set upwas built uphad been set upwas set up
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it is said that the library ___80 years agohas set upwas built uphad been set upwas set up
it is said that the library ___80 years ago
has set up
was built up
had been set up
was set up
it is said that the library ___80 years agohas set upwas built uphad been set upwas set up
2
选C
选had been set up
过去发生并且延续到现在的事
was set up
D
B不应该加up
was sep up
ago用在一般过去时里
was built up
A 错，应该用被动。
B对
c错，用完成式表达：博物馆建造了整整80年。
d错，set up表示抽象的建造，例如：
A new government was set up after the war.
新政府于战后成立。
选had been set up
首先要结合说话人的时态,是过去时,加上"ago"这个表之前的标志，应选c,过去完成时
had been set up
said 过去时
set up 的动作发生在 在said以前，过去的过去，所以用过去完成时
此题应该选was built up
has set up 和has been set up 均为现在完成时 和ago矛盾 was set up 多指公司集团组织等等的成立属于抽象事物。
build 是具体建筑物的建造，有时也可以表示抽象的建造
it is said that 是一个短语“据说”的意思 不必考虑它的said 过去时...
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此题应该选was built up
has set up 和has been set up 均为现在完成时 和ago矛盾 was set up 多指公司集团组织等等的成立属于抽象事物。
build 是具体建筑物的建造，有时也可以表示抽象的建造
it is said that 是一个短语“据说”的意思 不必考虑它的said 过去时
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