—Mrs. King, could you tell me when we ______ a field trip?  
—We'll have it when all the work ______.

— How clean and tidy your classroom is !
—Thank you. It _____ every day.

—Will you come to the dinner party?      
—I won’t come until Jenny _______.      

一Look! What a nice garden!
一Yes．It _____every day．

—Zhang Guorong, a HK pop singer, jumped from the top of a building and killed himself.        
—What a pity! That’s because he had______ living in the world.      

He doesn't think teenagers ______ drive.

The  sick boy _____ to hospital by the police yesterday.   

The children must ______.

Some new computers _____ to that village school last month.

I'm made            thirsty by the strange thing.