—Emily, here's a dictionary. I hope it will help you.—Thank you. It's ______what I need.
---Listen! Is Kitty in the next room? ---No, it ______ be Kitty. She has gone to Beijing.
If your homework , you can watch TV.
---When will the plane ___________? --- In an hour.
--There is little coffee in the bottle,____________?
---Great changes in our hometown since ten years ago.