David, _________ his father, _________ playing football.
— You always spend only a little time on your study. You really ____ me down.— I’m sorry, Mum. I won’t do that again.
— Martin has been working hard and comes top in the class.— It is his mother’s love that helps him feel good about .
— I don’t know what to wear at the party.— If I you, I would wear a shirt and a tie.
—I lost my new watch on the bus yesterday morning.—____________________________ .
— Excuse me. Could you tell me __________ some stamps?— Yes. There is a post office on Xinhua Road.