—Have you ever visited the Opera House?

—Yes. When I was in Sydney, I ________ it twice.

A．have visited 

B．visited

C．had visited 

D．would visit

— Have you ever visited the Opera House?
—Yes．When I was in Sydney, I ______ it twice．

— Have you ever visited the Opera House?

    —Yes．When I was in Sydney, I ______ it twice．

A．have visited B．had visited  C． visited     D．would visit

— Have you ever visited the Opera House?

       —Yes．When I was in Sydney, I ______ it twice．

A．have visited     B．visited    C．had visited      D．would visit

--- Have you ever visited the Opera House?

---Yes．When I was in Sydney, I ______ it twice．

1. A.
   have visited
2. B.
   had visited
3. C.
   visited
4. D.
   would visit