If you want to know more about space，please ___________ the book A Brief History of Time．（ ）
A．look throughB．look around
C．look afterD．look down upon
---Who is making much noise?
---It ____ be Timmy. He is sleeping now.
| A．can’t | B．may not |
| C．mustn’t | D．couldn’t |
-- Must I write down all the new words now? No, you_______
| A．mustn’t | B．can’t |
| C．won’t | D．needn’t |
—Peter doesn’t mind lending you his camera.
—He _______. I’ve already borrowed one.
| A．can’t | B．mustn’t |
| C．doesn’t have to | D．may not |
—May I borrow your English book?
—No , you _______.
| A．may not | B．mustn’t |
| C．couldn’t | D．don’t |
---Will you please stay here for the party?
---Sorry, I _____. I have to go to visit my grandfather in hospital.
| A．mustn’t | B．needn’t |
| C．can’t | D．won’t |