18. 去游泳

17. 去買東西

16. 去釣魚

15. The police went _____ very room of the building.

14. The bullet(子彈)went _____ the wall.

13. They went _____ their lessons together at night.

12. The mechanic(技師)went _____ the engine but found nothing wrong.

11. Put more wood on the fire, otherwise it will go _____.

10. They went _____　 _____　 their open-air performance in spite of the rain.

9. After he had given an account (說明)of the difficulties he went _____

　　 to suggest ways of overcoming them.