It was the largest experiment we had ever had; it _____ six hours.

I failed again. I wish I ____ harder.—But you ____.

How do you like this piece of music by Tan Dun — Well, of all the music that he has written, I think this is his ________ one.

on ________ Saturday in_______ July of 2009 that the famous scholar of Chinese traditional culture, JiXianlin, passed away

Facebook is a place where you can share _________is going on in your life with friends.