---Listen! Peter is singing in the classroom!---It _____ be him. He has gone back to his hometown.
-----We’ll have a school trip next week. -----That sounds _____. I’m sure we’ll have a good time there.
-----When shall we start out, Linda? -----Right now! The theme park is about _____ ride from here.
-----David, there _____ a football match this afternoon. -----Really? I must go and watch it.
-----Look! He is too tired. -----Yes. Why not ask him _____ a rest?
-----Excuse me, sir. Here’s a letter for Liu Tao. Which room does he live in? -----_____.