1. When _____ the first man-made satellite _____(send) up into space? 
2. Last year vegetables _____(grow) in the garden by Tom and he _____ (sell)
them  himself.   
3. She _____ (help) him with his homework tomorrow evening.   
4. How many magazines _____(can borrow) in your library every week?  
5. John _____ (hear) to go upstairs two hours ago.   
6. －Who _____ (save) her father?     
    －He _____ (save) by that policeman.   
7. The doctor _____ (send for) because his grandpa was ill.   
8. Mooncakes _____ (make) by his mother every year . ______ your mother
_____ (make) mooncakes for you every year?
9. Some toys _____ (buy) as a presents for these children last Monday.
10. _____ paper _____ (make) of wood?