15 They often go/do camping at weekends. 16 Rock music is not really my thing/programme. 17 What about a pop music/concert? 18 I always help my parents around/over the house. 19 My favourite comedy is on/at TV today. 20 The leader teaches us how to build/tie fires.

15 They often go camping at weekends.

16 Rock music is not really my thing.

17 What about a pop concert?

18 I always help my parents around the house.

19 My favourite comedy is on TV today.

20 The leader teaches us how to build fires.

Ответ: go, thing, concert, around, on, build.