Question

— 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

Answer 1

C

这题考查时态题：因为时间是When I was in Sydney，所以用过去时，句意是：--你参观过歌剧院吗？--是，当我在悉尼的时候，我去过两次。选C。