35.一Hurry.John! 一Oh.My God! Both my legs are nearly to give out.I for hours. A.had walked B.walked C.have been walking D.am walking 【查看更多】

 

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一Hurry,John!

一Oh,My God! Both my legs are nearly to give out.I ______ for hours.

A.had walked                                   B.walked

C.have been walking                             D.am walking

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