—Who takes _____ charge of the work?
—It is in ____ charge of Lily.
| A．a; / | B．/; the | C．/; / | D．the; the |
This project requires close teamwork.
________ will be achieved unless we work well together.
| A．Nothing | B．Anything |
| C．Something | D．Everything |
Recycling is one way to protect the environment，reusing is ________.
| A．another | B．the other |
| C．one another | D．one |
It's an either—or situation—we can buy a new car this year or we can go on holiday but we can't do ________.
| A．others | B．either | C．another | D．both |
The traffic on the main street has a longer green signal than ________ on the small ones.
| A．one | B．this | C．that | D．it |
At our factory there are a few machines similar to ________ described in this magazine.
| A．them | B．these | C．those | D．ones |