Wstaw jedno słowo.

41. I …....... speak when I was two years old.
42. I …....... swim when I was three.
43. Tourists …....... touch the exhibition.
44. You should …....... pollute the air.
45. Could you …....... my fish for me, please ?
46. Buy a loaf of …....... on your way home.
47. He decided …....... change a job.
48. The result wasn't good …....... .