Although they feel tired, _________they still go on working.
You have to believe in _________. That's the secret of success.
When we buy train tickets at the station, we are supposed to wait for our __________.
China is _________Asian country while France is_________ European country.
Jack used to be lazy, but now he is the top student in your class. Can you tell me________?
-Have you ever listened to the song called Gangnam (江南)Style __________is very popular these days?--Of course. The dance is so funny.