—Happy birthday to you, Mary!— .
– Your father looks tired! -- Yes, he worked for _________ after twelve o’clock.
Could you tell me ________?
--- Why not go out and have a picnic tomorrow, Simon? ---_____ . but I will help Li Ming with his lessons. He is new here.
Mother asks me _________ computer games before finishing my homework.
--- Are you going to buy a camera ? --- Yes. But there’re so many kinds that I can’t decide ____ to buy.