Question

I ________ to Canada twice．It's so beautiful．

1. A.
   won't go
2. B.
   have gone
3. C.
   don't go
4. D.
   have been

Answer 1

D
have/has been to意為“曾經(jīng)去過某地”，現(xiàn)在已經(jīng)回來了，人不在那里了；have/has gone to意為“已經(jīng)去了某地”，表示人還沒有回來。根據(jù)題意“已經(jīng)去過加拿大兩次了”，可知應用have been to。