—Is David a man with good manners ?—I don’t think so . As a matter of fact , he is _____but polite .
When chatting with a stranger on the Internet, bear in mind______ he could be anybody, for you can’t see him _________.
—You must apologize to Rebecca for being so rude, Sam. —Why ________ I say sorry? It’s she ________ said insulting words first.
All parents are willing to risk ________ their lives to save ________ of their children when a disaster is approaching.
________ people are concerned about now is the Shanghai World Expo, which ________ start on May 1st.
It ________ me that I could buy the admission ticket of the exhibition at the discount of 50% with my student card, ________ made me extremely excited.