.--- Where is your father? --- I'm not sure. He_______ in the office.
---_____must I take this medicine every day? --- Three times a day.
Have you ever _________ an athlete named Beckham ?
I don’t know if my uncle _______ . If he _______ , I will be very happy .
—Will you go shopping tonight ? --If you go , ________.
I enjoy the popular dance “hip--hop” , but ______my father _______ my mother like it .