Turn from active into passive 39) professor golding found some jewellery in the rubbish 40) someone had thwon it out 41) the professor took in to the police 42) the police are searching for the owner 43) they have asked people lost of questions so for 44) they will keep the jewellery in a safe place

 39) Some jewellery was found in the rubbish by Professor Golding .
40) It had been thrown out by someone.
41) It was taken to the police by the Professor.
42) The owner is being searched for by the police.
43) Lots of questions have been asked so far.
44) The jewellery will be keeping in a safe place.