He knew that cholera would never be controlled _____ its cause was found.
| A．till | B．still | C．until | D．kill |
—What an amazing film! It’s the most interesting film I’ve ever seen.
—But I’m sure it won’t interest _______.
| A．somebody | B．anybody |
| C．everybody | D．nobody |
My wife wants a Mexican carpet，but she can’t afford to buy _______.
| A．one | B．it |
| C．them | D．the one |
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 |