【2013广西南宁】We held a concert in the hall yesterday, Kate sang among the singers.
He, ______ his father, ___________ ball games.
These boys are _____ football players. They all play football _____.
Miss Wu teaches ________ Maths. She is nice ________ everyone.
The housework is ______ easy. You don't have to spend (花费) _______ time on it.
--- _______ is it from your house to the shopping mall?---It’s twenty _______ walk.