---Why do you look so upset?---There are so many troublesome problems ____.
Marry had made up her mind to give it up, but on _________ second thought she determined to have __________ third try.
Angela Markel says European Union could fail if Eurozone (欧元区) over debt problems in Greece, Italy and other weaker economies.
— Hi,Michelle, I can’t find my e-dictionary.— Sorry,I it. I guess I put it on the top shelf with my things.
When ___ to danger and conflict, men tend to increase blood pressure, ___ nervous and anxious.
Could it be in the restaurant in _________ you had dinner with me yesterday ________ you left behind your keys and wallet?