按照要求进行句型转换。
1. My mother made this skirt last month. (改为被动语态)  
    This shirt _____ _____ by my mother lat month.
2. Li Lei asked me to go to his birthday party. (改为被动语态)  
    I _____ _____ to go to Lei’s birthday party.
3. What do people use the pen to do? (改为被动语态)
    What _____ the pen _____ to do by people?
4. Many books have been sent to the Hope School in that village. (改为主动语态)  
    We _____ _____ many books to the Hope School in that village.
5. The workers were made to finish the work at once by the manager. (改为主动语态)
    The manager _____ the workers _____ the work at once.