Have you ever the Great wall?A. been toB. gone toC. go toD. been

问题补充：

Have you ever the Great wall?

A. been to

B. gone to

C. go to

D. been

答案：

(答案→)A. been to

B. gone to

C. go to

D. been

解析：have been to sp表示曾经去过某地，主语现在不在某地，而have gone to sp，表示已经去了某地，或正在去某地的路上，故选答案为A