1 . －What will today’s talk be about?
－In the lecture ______, the professor will tell us something about modern English usage.

A．following

B．followed

C．to follow

D．to be followed

2 . Cancer is hard___________. 癌症很难治疗。（根据汉语意思填空）

3 . The boy kept trying to ____________(引起他妈妈的注意) but in vain.

4 . —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

5 . 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

6 . In the job interviews job applicants often find themselves asked unexpected questions, some very difficult ____.

A．to be answered

B．to answer

C．being answered

D．answering