Not only ________learn a foreign language, but also ______ master it well.
| A．must we ; we must | B．must we ; must we |
| C．we must ;’ we must | D．we must ; must we |
Under no conditions __________ his home turned into a battlefield between the forces of light and darkness.
| A．would he have | B．he would have |
| C．would have he | D．he would have had |
On no condition __________ practice makes perfect.
| A．we should forget | B．forget we |
| C．shouldn't we forget | D．should we forget |
We'll supply you with the products only __________ you prove your ability of payment.
| A．that | B．on condition |
| C．on that | D．on condition that |
She is in a poor __________ of health. As a result, she has to give up her job.
| A．position | B．situation |
| C．state | D．condition |
I agree to his suggestion __________ condition that he drops all charges.
| A．by | B．in |
| C．on | D．to |