补全对话.
A: Where did you go on vacation?
B: I __1__ to Xi'an.
A: Xi'an?What did you do there?
B: I __2__ the Terra-Cotta Warriors.
A: Great! Did you __3__ yourself?
B: Yes,very much. How __4__ your vacation? Where did you go?
A: I visited Xinjiang. There were lots of grapes there and I like their music and dance
B: __5__ did you go there? Did you go there by plane?
A: No, I went there by train
