如何提取网页数据:帮我讲讲这道英语题

来源：百度文库编辑：神马品牌网时间：2024/05/08 06:23:37

Every morning the patients are asked if _____ their temperature taken.
A.they had had
B.have they had
C.they have had
D.had they had

答案是C，这是怎么做来的。请讲详细点，我的英语很差的。

问： Every morning the patients are asked if _____ their temperature taken.
给： A.they had had
B.have they had
C.they have had
D.had they had
答： c，现在完成时

嗯，应该没有错~~~~~~~~~~~~

现在完成时

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