The most important thing about cotton in history is _____ part that it played in ____ Industrial Revolution.
| A．/; / | B．the; / | C．the; the | D．a; the |
The very sight of the _____ buildings assured these tourists of the significant changes in this city.
| A．instinctive | B．impressive | C．institutional | D．imaginary |
Her stubbornness and _____ lead to her final success.
| A．persuasion | B．determination | C．devotion | D．reservation |
In recent decades, China is becoming one of the most _____countries in the world.
| A．plentiful | B．powerful | C．friendly | D．wealthy |
Should primary education also be______ in rural and remote areas?
| A．compulsory | B．necessary | C．select | D．permanent |
We no longer keep up the close friendship of few years ago, though we still visit each other_____.
| A．in good time | B．up to date |
| C．on occasion | D．once and for all |