--- Must I return the book this week?--- No, you ____________. You can ____________ it for 20 days.

----Why is the man standing at the door of the restaurant all the time?----He is waiting for anyone who will ______him some money or food.

—How long can I ______ the book, Mr. Black? — Two weeks.

--- Can I see the headmaster at the moment, please? --- I'm afraid not. He _______out. He _______ in 10 minutes.

When I was a boy, I often ______ to play in that park.