(一)根据句意及首字母提示写词。

1．---What are you doing, Tom?

　 ---I am learning English on the r　　　 　.

15．learn from

14．mountain biking

27．spend time

26．play chess

25．watch films

24．travel around the world

23．比如

22．对…感兴趣

21．羽毛球