—When will you graduate from your school? —______.
| A．Until June 18th | B．Not until next month |
| C．Before June 18th | D．Next month |
---Listen! Kate is singing in the classroom.
----It_____be Kate. She has gone to the Library.
| A．can | B．can’t | C．must | D．mustn’t |
—Sorry, I just come here. Ask the old woman, she _______ know something about it.
—Thank you all the same.
| A．can | B．must | C．may | D．need |
---Could you please come to the museum with me this afternoon?
---Sorry, I ______ . I have to take a piano lesson at 2 pm.
| A．couldn’t | B．mustn’t |
| C．can’t | D．needn’t |
--- Lin Tao, can I use your English dictionary?
--- Sure. But you _______ return it before the class.
| A．must | B．can | C．may | D．would |
You_______ play with the knife. You ______ hurt yourself.
| A．mustn’t; may | B．mustn’t; mus |
| C．shouldn’t; must | D．can’t; should |