______visited the Shanghai World Expo is sure to tell you the place is worth visiting twice.

A. Those who have                    B. Whoever has

C. Those who has                                          D. Whoever have

— ____ visited the Shanghai World Expo is sure to tell you the place is worthy ____ twice．

    — You can say that again．

    A. Those who have; visiting           B. Whoever has; visiting

    C. Those who have; to be visited       D. Whoever has; to be visited

— ____ visited the Shanghai World Expo is sure to tell you the place is worthy ____ twice．

— You can say that again．

— ____ visited the Shanghai World Expo is sure to tell you the place is worthy ____ twice．

    — You can say that again．

    A. Those who have; visiting           B. Whoever has; visiting

    C. Those who have; to be visited            D. Whoever has; to be visited

---______ visited the Shanghai World Expo is sure to tell you the place is worthy ______ twice．

---You can say that again．

1. A.
   Those who have; visiting
2. B.
   Whoever has; visiting
3. C.
   Those who have; to be visited
4. D.
   Whoever has; to be visited