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为什么不选B.请说明原因,

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/07/07 16:18:57
为什么不选B.请说明原因,
--Who should be responsible for the accident?
--The boss,not the workers.They just carried out the order ___.
A.as told B.as are told C.as telling D.as they told
应该选A.
as 要加完整的句子,如果选B,要改成 as they were told.
因为as的主语与前面的主语相同,所以省略了主语和系动词,构成as told 结构.