_____, I think, and the problem can be settled.
| A．If you double your efforts | B．If you make greater efforts |
| C．If you spare no efforts | D．Some more efforts |
The old man kept one black cat and two white _______.
| A．one | B．ones |
| C．those | D．one’s |
How do you find _______ to work with the foreign engineer?
| A．this | B．that |
| C．it | D．yourself |
—May I have a glass of beer, please?
—Beer? There is _______ left, but you can have some orange juice.
| A．none | B．no one |
| C．nothing | D．few |
The children were catching butterflies in the garden. Some caught a lot, and others caught _______at all.
| A．nothing | B．none |
| C．no one | D．neither |
Animals don’t talk with words. They use smells, sounds and movements to communicate with _______animal.
| A．any | B．another |
| C．each | D．the other |