-----Do you know where Bob is?

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-----Do you know where Bob is?
-----He has won a holiday for two people to New York.He _____ his mum.
A.is taking B.have taken C.take D.takes
为什么选A?选B有什么不行?

A.正确.现在进行时态可以表示将来.表示根据计划或安排在最近要进行的事情.具有这种语法功能的动词仅限于过渡性动词.常用的有：go,come,leave,start,arrive,return等.
　　They are leaving for next month.B选项不能选,因为主语是He,不能用have

-----Do you know where Bob is? Do you know where malaysia is? Do you know where sugar is （? ） Where is his shoes ,do you know? Do you know where Mr.Zhou is? Do you know where my home is? Do you know where is inner mongolia? do you know where her home is Do you know where sugar is 什么? Do you know where it is ?是什么意思 Where is home?Do you know? do you know where suger is p---