If I take this medicine twice a day, it should _______ my cold.
| A．heat | B．cure | C．treat | D．help |
The employment rate has continued to rise in big cities thanks to the efforts of the local governments to increase________.
| A．them | B．those |
| C．it | D．that |
If you're buying today's paper from the stand, could you get ________ for me?
| A．one | B．such |
| C．this | D．that |
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 |
What would have happened ________，as far as up to the river bank.
| A．Bob had walked farther |
| B．if Bob should walk farther |
| C．had Bob walked farther |
| D．if Bob walked farther |