-- Have you ever been to Shanghai, Mary?

-- Yes. I _______ there for three clays with my parents last' month.

　　 A. have gone　　　　　 B. have been　　　　 C. went　　　　　　　 D. was

 -- Have you ever been to Shanghai, Mary?

   -- Yes. I _______ there for three clays with my parents last month.

      A. have gone           B. have been          C. went               D. was

-- Have you ever been to Shanghai, Mary?
-- Yes. I _______ there for three clays with my parents last month

1. A.
   have gone
2. B.
   have been
3. C.
   went
4. D.
   was