-Have you ever ____ to the Great wall?-Yes,I have.I _____ it twice last year.A.been;have toB.gone;visitedC.been;visitedD.gone;have visited

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-Haveyouever____totheGreatwall?-Yes,Ihave.I_____ittwicelastyear.A.been;havetoB.gone;visitedC.been;vi

-Have you ever ____ to the Great wall?-Yes,I have.I _____ it twice last year.A.been;have toB.gone;visitedC.been;visitedD.gone;have visited
-Have you ever ____ to the Great wall?-Yes,I have.I _____ it twice last year.
A.been;have to
B.gone;visited
C.been;visited
D.gone;have visited

-Have you ever ____ to the Great wall?-Yes,I have.I _____ it twice last year.A.been;have toB.gone;visitedC.been;visitedD.gone;have visited
C
第一个是现在完成时,第二个是过去式