It’s high time they ________ to reduce the cost of production.
| A．take measures | B．took measuring |
| C．should take measuring | D．took measures |
（2013·辽宁卷)To her joy,Della earned first the trust of her students and of her collegues.
| A．that | B．one | C．ones | D．those |
At our factory there are a few machines similar to _______ described in this magazine.
| A．them | B．these | C．those | D．ones |
The traffic on the main streets has a longer green signal than _______ on the small ones.
| A．one | B．this | C．that | D．it |
I’ve lived in New York and Chicago, but don’t like ____ of them very much.
| A．either | B．any | C．each | D．another |
There are a small number of people involved, possibly ______twenty.
| A．as few as | B．as little as | C．as many as | D．as much as |