Wang Wei had served ______a volunteer for three years before he graduated from college .
As she _____ the newspaper, Granny _____ asleep.
______ on the portrait, mother was deep in thought.
Seeing the sun _____ above the surface of the sea we burst out a shout of joy.
The news sounds _______.
Speech is ______ heard when it is given in a clear voice just slightly louder than normal.