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It'snecessarytobepreparedforajobinterview.theanswersreadywillbeofgreathelp.A.TohavehadB.HavinghadC.HaveD.HavingHowtochoose,translateandwhy?Thanks.B和D的区别是什么?请分别举例说明.

题目详情
It's necessary to be prepared for a job interview.______________ the answers ready will be of great help.
A.To have had B.Having had C.Have D.Having
How to choose,translate and why?Thanks.
B 和 D 的区别是什么?请分别举例说明.
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答案和解析
选D这个题是形式主语,原型应该是it will be of great help to have the answers ready.have sth ready 把……准备好做好准备将会有很大帮助D是现在分词做主语Going home is your best choice.选B的话通常用过去时,而...