Stop _____ ! I’ll tell you an interesting story.
My bike is broken, so I have to go to school _________ my mother's.
It is reported that _______ people in the world are suffering from the H1N1 flu.
When something is on fire, people throw sand on it to put out the fire. The main use of the sand is to _________.
It needs a lot of practice ___English well.
Harry Potter V is an interesting movie, so my brother watched it last night.