Please don’t stand up in class until you ________.

ne should learn somethingabout first aid, because every second in an emergency.

The headmaster _________ a noisy boy from the library.

______ is well known to us all is ______Yao Ming has become the boss of the Shanghai Sharks, who attended the opening ceremony of the new CBA season on Dec. 19, 2009.

Della likes dancing, but doesn’t like swimming —-_____