-_____you____anywhere before?-Yes,but l can not remember where l ___A.Did;surf;surfed B.Have;surfed;surfedC.Did;surf;have surf D.Have;surfed;have surfed

-_____you____anywhere before?-Yes,but l can not remember where l ___A.Did;surf;surfed B.Have;surfed;surfedC.Did;surf;have surf D.Have;surfed;have surfed
-_____you____anywhere before?-Yes,but l can not remember where l ___
A.Did;surf;surfed B.Have;surfed;surfed
C.Did;surf;have surf D.Have;surfed;have surfed

-_____you____anywhere before?-Yes,but l can not remember where l ___A.Did;surf;surfed B.Have;surfed;surfedC.Did;surf;have surf D.Have;surfed;have surfed
选B 问你以前冲过浪吗?对过去事实的询问,before出现是现在完成时标志.回答是的,但是我忘了在哪冲的浪.where引导的宾语从句是对事实的陈述,所以用一般过去时.