Please help meVOICE Change the sentences to passive voice1?

Please help me VOICE Change the sentences to passive voice 1. Many people begin new projects in January 2. You must wash that shirt for tonight's party 3. Mum is going to prepare the food 4. They make shoes in that factory 5. We will have to examine you again 6. They had finished preparations by the time the guests arrived. 7. The delegation will met the vistors at the airport 8. We have produced skis here since 1964 9. All workers will read the memo 10. Nobody can beat Tiger Woods at golf 11. They also speak German at EU meetings 12. We must look into the question. 13. Someone reads the newspaper to him every day 14. The Chinese discovered acupuncture thousands of years ago 15. Has he given you back the book yet? 16. The police locked up the criminals 17. They must have left the keys behind 18. The robbers made up the story. 19. The boy is eating the cake - 20. Dad promised by a box of chocolates. 21. The spider scared her 22. The guide will show us the Natural History Museum in the afternoon. 23. The dentist cleaning the woman's teeth 24. She showed her relatives the new house.