1 . Either you or one of your students___to attend the meeting__ tomorrow.

A．are; to be held

B．is；being held

C．is; to be held

D．are；having held

2 . —The hall for international conferences is of great importance.
—I see, and we are sure to complete it on time.

A．built

B．to be built

C．having been built

D．building

3 . The Chinese are proud of the 29th Olympic Games _____ in Beijing in 2008.

A．hold

B．being held

C．held

D．to be held

4 . Chinese President Hu Jintao called for an immediate cease-fire in Libya _____ an even worse humanitarian crisis in the country at the BRICS Summit in Hainan Province.

A．to prevent

B．to have prevented

C．preventing

D．having prevented

5 . There's a man at the reception desk who seems very angry and I think he means__ trouble.

A．making

B．to make

C．to have made

D．having made