As is known to all, _____USA is _____ biggest developed country in the world.
| A．the; 不填 | B．不填; the | C．the; the | D．不填; 不填 |
I am quite __________ that the new cosmetics, whether it appears in the form of tablet, capsule, powder or injection, will __________ through the country among young ladies.
| A．optimistic about; sweep | B．optimistic; sweep |
| C．pessimistic; spread | D．pessimistic about; spread |
The situation is getting worse. We must ________ the trouble __________.
| A．keep; spreading | B．prevent; spreading |
| C．stop; to spread | D．protect; to spread |
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 |