It is just ____ among countries to host the Olympics as to win an Olympic medal.
| A．so fierce a competition | B．as fierce a competition |
| C．such a fierce competition | D．too fierce a competition |
When I came back to my hometown again, I found it changed so much that I could hardly _______it。
| A．remember | B．realize | C．imagine | D．recognize |
_____people who learn Engiish as a foreign language ________more than 750 million.
| A．A number of... reach | B．The number of...come to |
| C．The number of... reaches | D．A number of...comes to |
Rather than ________at home watching TV, I'd prefer_______in the office.
| A．working...staying | B．working...stay |
| C．to work...stay | D．work...to stay |
To the parents' worry, some middle school students are _______ computer games and completely forget their studies.
| A．crazy about | B．burying in | C．very proud of | D．tired of |
His sister left home in 1998, and _______ever since.
| A．has not heard from | B．had not heard from |
| C．has not been heard of | D．had not been heard of |