将下列句子变为被动语态。 1. They will publish his new book next month. ________________________________________________________ _______________________ 2. They won't hold the school sports meeting until next month. _____________________________________________________________________________ 3. Ba Jin wrote these books in the 1960s. _____________________________________________________________________________ 4. They will rebuild the old bridge next year. __________________________________________________________________ ___________ 5. Will your school allow you to watch the Beijing Olympic Games? _________________________________________________________ ____________________ 6. No one watered the flowers yesterday. _____________________________________________________________________________ 7. Someone gave a talk on Chinese history in the school hall last week. _______________________________________________________________________________ 8. I'm sure they will choose you to be the monitor some day. _______________________________________________________________________