She is________to go to work．
| A．old enough |
| B．older enough |
| C．oldest enough |
| D．the oldest enough |
—Could I use your dictionary？
—________．
| A．Yes，I could． |
| B．No，you couldn’t． |
| C．Of course． |
| D．Yes，I do． |
—Could you please________the floor for me？
—Yes，sure．
| A．cleaning |
| B．to cleaning |
| C．clean |
| D．to clean |
—Which do you prefer，a CD player or a Walkman？
—________．I prefer a portable computer．
| A．Both |
| B．Either |
| C．None |
| D．Neither |
I can’t play the piano，and________．
| A．neither can my sister |
| B．my sister can’t，too |
| C．so can’t my sister |
| D．can my sister，either |