A、Go to Shanghai. B、Go to Beijing. C、Go to Nanjing. D、Go to Xiamen. B对话中，男士询问女士暑假的计划，女士表示她的家人计划去北京旅游。由此可知，女士的计划是B项“去北京”。

M：Hello, Alice. The summer vacation is coming. Do you have any plans?
W：Yes. My family are planning to visit Beijing this summer vacation.
M：Where are you going to visit?
W：We’re going to visit the Great Wall and the Forbidden City.
M：Why don’t you go to the Beihai Park? It’s quite beautiful. It’s one of the oldest and largest gardens in China.
W：Sounds good.
M：When will you leave and how will you get there?
W：We will leave on July 2 and we will go by plane.
M：I hope you will have a good time there.
W：Thank you.
17. What is the woman going to do this summer vacation?
18. Where does the man suggest the woman to visit?
19. When will the woman leave?