David asked his nephew to ______ his bag while he headed for a drink at the airport.
You are saying that everyone should be equal, and this is ______ I disagree.
Is that the reason __________ you are in favor of Obama for the second round?
--Look! The light in the study is still on. --Sorry, I forgot __ it off.
The ________ temperature of the human body is about 37 degrees centigrade.
The only thing __________ we should do now is try our best to prepare for the Academic proficiency test.