Look over there--- there’s a very long，winding path _____up to the house．

 --What do you think made Celia so happy?--______ a prize in the recent competition.

The sales _____ steadily, the factory needs an increasing supply of raw material.                                                   

_______ Sunday, rather than _______ at home, I preferred _______.

Students in Dingli Senior High School are walking along the street, _____ a small red flag.