One day, when I was walking in the street, someone dropped a pie from a window above, and it _______ missed landing on my head.
— More than thirty students competed ______ each other in the English competition. — But they could only compete ______ three medals.
--It’s reported that scientists have ________ an effective way to deal with H1N1. --Really? That’s great!
---- Did you have ________ fun at the party? ---- Yes. It’s ________ shame that you missed it.
It was my sister first had the idea to cycle along the entire Mekong River from ______ it began to where it ends.
In fifteen terrible seconds a large city .