It is required that in no case ________ our password.
| A．we should forget | B．should we forget |
| C．shall we forget | D．we shall forget |
We were all when we heard the news.
| A．excited; exciting | B．exciting; excited |
| C．excited; excited | D．exciting; exciting |
is well-known, China is a country.
| A．It; developing | B．As, developed | C．That; developing | D．As; developing |
Many people put down their own jobs and joined usa missing child.
| A．to search | B．in searching | C．in search of | D．to search of |
the history of China, the history of the Untied States is quite short.
| A．To compare with | B．Comparing to |
| C．Comparing with | D．Compared to |
His great contributionsthe development of a modern China will never be forgotten.
| A．by | B．to | C．for | D．with |