英语语法高手请帮我分析这句话As ( ) announced in today's papers,the Shangha

英语语法高手请帮我分析这句话
As ( ) announced in today's papers,the Shanghai Export Commodities Fair is also open on Sunday.
A.being B.is C.to be D.been
为什么选B不选A?请说详细点,
gd_123654 1年前 已收到1个回答 举报

lancet8182 幼苗

共回答了20个问题采纳率:95% 举报

这是一固定用法.此句中As引导的句子为非限制性定语从句的倒装句,对后面的主句进行修饰.
类似的结构还有:As is said above
As is reported above等

1年前

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