the children are required not to leave the building unless.to do so
the children are required not to leave the building unless.to do so
A being told B they will be told C be told D told
如何判定A不对,如何排除它?
A being told B they will be told C be told D told
如何判定A不对,如何排除它?
英语人气：272 ℃时间：2020-05-30 18:33:43
优质解答
unless在这里做连词,连接两个句子,所以一定接一个句子,主语+谓语+其他,而主语在前面提到,所以后面可以连be动词一起省略,（the children/they are）told to do so.A.是一个非谓语VING形式,所以错误,需排除
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