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高一英语提问13.No one is permitted to enter the hall without first

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高一英语提问
13.No one is permitted to enter the hall without first( )his identification
card.
A.having to show B.being shown
C.showing D.having
shown
高一英语提问13.No one is permitted to enter the hall without first
2.( )Susan decided not to work on the program at home because she didn't want her parents to know what she____.
答案是C.was doing其他时态绝对错误
选项AD 是现在时 首先排除
选项B是过去完成时 动作应该发生在 decided之前 而本句意思是 工作并没有做完 所以选项B就有逻辑错误
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