Cao Wenxuan’s new book has just __________. Let’s go and buy one.
---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.