---Must I finish my homework before I go home?
----No, you _____. But you ____finish it before tomorrow.
| A．mustn’t; must | B．needn’t; must |
| C．must; mustn’t | D．needn’t;mustn’t |
—What are these?
—They are .
A．pencils B．books C．pens
The table is too big and it almost half of the room.
A．takes away B．takes off C．takes up
—Have you finished your homework?
—Not . There are still some exercises to be done.
A．already B．ever C．yet
About one fifth of the world population Chinese. China is a country with population in the world.
A．is; a largest B．are; the largest C．is; the largest
The doctor did everything they could the dying boy’s life, but they failed.
A．saving B．to save C．saved