题目内容
The lab ________ about five years ago.
A. built B. is built C. was built D. has been built
C 【解析】句意:那个实验室大约在五年前被建造的。根据about five years ago可知此处用一般过去时,主语the lab与谓语build之间是被动关系,故谓语用被动语态,故选C。
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题目内容
The lab ________ about five years ago.
A. built B. is built C. was built D. has been built
C 【解析】句意:那个实验室大约在五年前被建造的。根据about five years ago可知此处用一般过去时,主语the lab与谓语build之间是被动关系,故谓语用被动语态,故选C。