Fill in a suitable preposition

II. Fill in a suitable preposition.
31. Matthew brought up the children .................................... his own after his wife died.
32. Luke saw his friends .................................... the crowd of tourists outside the castle.
33. In Rome there are kilometers of tunnels .................................... the city.
34. It was getting late so we decided to head .................................... to the campsite.
35. Who does Max usually hang .................................... with?
36. Do you want to come .................................... to my house later?
37. The word is .................................... the tip of my tongue but I just can't remember it.
38. After his long trip Tom's parents welcomed him .................................... open arms.
39. Metal melted .................................... the intense heat inside the burning car.
40. Yesterday a lorry crashed .................................... a bus at the traffic lights.
41. Jill ran .................................... of money after a week, and had to go home.
42. If you want to enter .................................... the competition, you’ll need a form.