Students in Beijing _____away many books to the Hope Schools since 2009.

—Simon, you look worried. What’s wrong with you?—Well, I        a test and I’m waiting for the result.

--- Where is your mother?--- She _______ to Sichuan on business. She has ______ there four times recently. 

－Why didn’t you go to the cinema with us this afternoon, Jim?－Because I ______ at the station for my uncle from Beijing at that time.

.Keep doing it, and you ______healthy.