Things like electronics, glass or other ____ objects are often packed with an appropriate protective material to prevent damage.
| A．flexible | B．concrete | C．abnormal | D．fragile |
It is said that the number of Chinese characters users can type on their mobile phones is ______ the total number of Chinese characters. The reason is that the character input systems are made by foreign cell phone producers.
| A．25 percent as less as | B．less than 25 percent |
| C．25 percent much than | D．25percent as much |
The reform has changed the whole nation. It cannot remain _________ it used to be.
| A．what | B．where | C．which | D．when |
All the people in the nation can remember exactly how many years ago _______ the civil war broke out. 
| A．was it that | B．it was when | C．it was that | D．was it when |
_______ restoration of ancient architecture, the Chinese government has invested a large sum of money on it.
| A．In case of | B．In favor of | C．In terms of | D．In honor of |
I think this is the very work that we must finish ____ her.
| A．to help | B．help |
| C．helping | D．helped |