8. He wants to see changes in the company and I am sure he will, ______.
| A．on time | B．at a time | C．at one time | D．in time |
As a leading producer of greenhouse gases, Chinathe United States as the largest consumers of energy．
| A．describes | B．joins | C．controls | D．influences |
The song Take Me Home, Country Roads has muchto people, for few people can avoid getting caught up in its originally real country music．
| A．appeal | B．access | C．potential | D．devotion |
Nelson Mandela devoted all his life to the struggle of the African people andof every nation that seeks freedom．
| A．it | B．one | C．those | D．that |
Early experiences taught me not to be overly _about shopping by mobile phone because there is a high risk of being cheated．
| A．particular | B．enthusiastic | C．cautious | D．casual |
Although dishonesty seems so common in recent years, people still believe that honesty will not go out of．
| A．style | B．order | C．balance | D．shape |