1 . My uncle got well­prepared for the job interview.He couldn’t risk the good opportunity________．

A．to lose

B．losing

C．to be lost

D．being lost

2 . If ______   in class, you will have to clean the classroom for a week as a punishment.

A．to catch to sleep	B．caught to sleep
C．catching sleeping	D．caught sleeping

3 . Shortly after suffering from a massive earthquake and ________ to ruins, the city took on a new look.

A．reducing

B．reduced

C．being reduced

D．having reduced

4 . The discovery of new evidence led to ________.

A．the thief having caught	B．catch the thief
C．the thief being caught	D．the thief to be caught

5 . ________ your own needs and styles of communication is as important as learning to convey your affection and emotions.

A．Understanding	B．To be understood
C．Being understood	D．Having understood

6 . ________the difference between the two research findings will be one of the worst mistakes you make.

A．Ignore	B．Ignoring
C．Ignored	D．Having ignored

7 . (2013·福建) _____________ basic first-aid techniques will help you respond quickly to emergencies.

A．Known	B．Having known
C．Knowing	D．Being known