Playing computer games ____ the boy so much time that he doesn’t have enough time to study.
—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.
— It seems that Mr. Wu is standing there. — It ______ be him because he called me from Canada just now.