15.21.When did Alice go to China? A.In 2012. B.This summer. C.Three weeks ago. 22.What surprised Alice? A.The airport. B.The subway. C.The hotel. 23.What did Alice do when she go to the Great Wall? A.She took photos. B.She phoned her parents. C.She drew pictures. 24.What did Alice find a lot of fun? A.Playing the Chinese drum. B.Writing with a brush. C.Playing ping pong. 25.What will Alice always remember? A.The number of people. B.The shops. C.The rain.