—Could you please________the window?
—Sure．I________．
| A．open not；could |
| B．not open；could |
| C．not opening；can |
| D．not open；can |
The singer __________ in London in 2010.
| A．lives | B．lived |
| C．is living | D．will live |
We’d better __________ some food now.
| A．buy | B．bought |
| C．to buy | D．buying |
Mr. White is fixing his computer because there is __________ wrong with it.
| A．nothing | B．anything |
| C．something | D．everything |
—Must I sweep the floor now, Miss Jackson?
—No, you __________. You can do your homework first.
| A．can’t | B．mustn’t |
| C．needn’t | D．shouldn’t |
Beihai Park is one of __________ parks in Beijing.
| A．beautiful | B．more beautiful |
| C．most beautiful | D．the most beautiful |