The book ________ be Tom’s. Look! His name is on it.

—What does the notice on the wall say?—“No person       take books out of the reading room; otherwise he would be fined.”

----The task is challenging and demanding. Who do you think can make it?---- ___________my partner have a try? I think she is the right person to do it.

We         arrive at six. But I’m sorry we are late. 

 Everyone ______ be polite to the old people.