--Listen! Marry is singing in the next room. -- It __   ___ be Marry. She has gone home.

--- I heard they went skating in the mountains last winter. --- It ______ true because there was little snow there.

— _______ do you go shopping with your mother?— I seldom do that.

—________ you open the window, please? —Yes, I can.

 Don’t put off today’s work till tomorrow. I mean, today’s work _____today.