---Who’s the lady ________ in red?---I guess she is Lily’s mother by what she _______.

My mother often tells me to study hard. She says hard work _____ success.

You know the boy is ____ playing the piano.

Thousands of houses _______ by the floods in Guangxi last month.

--______ a volunteer is great.-- I think so. Some of us want ______ volunteers for the next Olympics.