Expo 2010 Shanghai China __________ on both banks of the Huangpu River in the city of Shanghai, China, from May 1 to October 31, 2010.
I found ______ flowers on my way to the countryside last weekend.
I first met Mr. Smith in America. He ______ at Stanford University then.
To be on the safe side, we should fill up the tank now, because we ______ run out of gas on the way.
--- Do you take ______ sugar in your tea? --- I used to, but now I’m on ______ diet. I’m trying to lose weight.
--- The party is so great! --- Yes, but Johnson, we’ve got to go home. ______ --- Thank you. See you later.