—When did the great earthquake in Wenchuan happen ?—It happened __________14:28 __________the afternoon of May 12, 2008.
It is uncertain________side effect the medicine will bring about,although about two thousand patients have taken it.
Please remember________wins your respect is not your background but your knowledge and virtues.
________is known to us all is that the 2012 Olympic Games will take place in London.
________he couldn’t understand was________,as a teacher of Chinese,he was asked to teach history.
________parents say and do has a lifelong effect on their children.