请教一道英语语法题请教一题英语语法题,Walter offered us a lift when he was leaving the office,but our work_______,we declined the offer.选项:A.not being finished B.not having finished.C.had not been finished D was not finished 每

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请教一道英语语法题请教一题英语语法题,Walterofferedusaliftwhenhewasleavingtheoffice,butourwork_______,wedeclinedtheoffe

请教一道英语语法题请教一题英语语法题,Walter offered us a lift when he was leaving the office,but our work_______,we declined the offer.选项:A.not being finished B.not having finished.C.had not been finished D was not finished 每
请教一道英语语法题
请教一题英语语法题,Walter offered us a lift when he was leaving the office,but our work_______,we declined the offer.
选项:
A.not being finished B.not having finished.C.had not been finished D was not finished
每个选项什么意思和时态、形式能给我说下么?这题某位老师说全国没几个老师能做对的,有那么难么 英语高手快来.

请教一道英语语法题请教一题英语语法题,Walter offered us a lift when he was leaving the office,but our work_______,we declined the offer.选项:A.not being finished B.not having finished.C.had not been finished D was not finished 每
首先我们把答案分类,AB是一类,CD是一类,之所以这样分,是因为填入AB之后,but our work______不是句子,填入CD之后,他就是个完整的句子了.
分完类后,我们再看原句.原句后半句说但是(因为)我们工作还没做完,所有拒绝的了他的请求.这里如果天CD,那么 our work_______,we declined the offer. 就成为两个句子,英语中两个句子是需要连词连接的,所以CD不对.
这时再来看AB,发现他原来是在考独立主格结构.然后再看AB的区别,很明显A是被动,B是主动,这里work和finish显然是被动的关系,所以选A.
有什么疑问还可以问我,没疑问的话请及时采纳.