— What do you like to do in your leisure time?— I enjoy ____ with my friends.
---Listen! Kate is singing in the classroom. ----It_____be Kate. She has gone to the Library.
—Sorry, I just come here. Ask the old woman, she _______ know something about it. —Thank you all the same.
---Could you please come to the museum with me this afternoon? ---Sorry, I ______ . I have to take a piano lesson at 2 pm.
--- Lin Tao, can I use your English dictionary? --- Sure. But you _______ return it before the class.
You_______ play with the knife. You ______ hurt yourself.