Question

【题目】I ________ the History Museum twice. I've learned a lot there.
A.visit
B.am visiting
C.have visited
D.will visit

Answer 1

【答案】C
【解析】考查现在完成时。句意：我参观过历史博物馆两次。我已经学到了很多。根据twice可知该用现在完成时，所以该选C。