67.I consider____ my duty to help you.
Don’t try to cheat the taxman (税务人员); you’ll never ________it.
The reason why he was late is ______ he got up too late.
While crossing the street, please ________ for the coming cars.
_______ his foot wounded so seriously, he had to give up this basketball game.
The company was named Gates Hall ______ a man named James Gates.