学进去

根据上下文，选择句子完成对话，填序号。

A: What did you do last summer holiday?
B:                              .
A: Did you go swimming in the sea?
B: Sure. It was cool. There were many funny things.
A:                                  .
B: I saw a boat race. The boats were small, but they were very fast.
A: Anything else?
B:               . I ate many mangoes and pineapples.
A: You had a really wonderful holiday then .
B: Sure. How about you?
A: I went to visit my grandparents in Xinjiang.
B:                             .
A: Only me. My grandpa waited for me in the station.
B:Sounds great.                      .
A: Of course.