-would you go to see the flower show with me this afternoon?-I'm sorry,I'm busy and I ()it twiceA see B saw C have D had seen

-would you go to see the flower show with me this afternoon?-I'm sorry,I'm busy and I ()it twiceA see B saw C have D had seen
-would you go to see the flower show with me this afternoon?-I'm sorry,I'm busy and I ()it twice
A see B saw C have D had seen

-would you go to see the flower show with me this afternoon?-I'm sorry,I'm busy and I ()it twiceA see B saw C have D had seen
c

填 have see 已经看过

C have seen