18. o on a hike 徒步旅行,
go bike riding 骑自行车旅行,
go fishing 去钓鱼
17. go house-hunting 去找房子
16. go sightseeing 去观光
15. go hiking 去徒步远足
14. go dancing去跳舞
13. go climbing 去登山
12. go walking去散步
11. go skating 去溜冰
10. go boating去划船
9. go swimming 去游泳