1 . _____ the ups and downs in my life, I eventually realized what life was all about.

A．Experienced	B．Having experienced
C．To experience	D．Experiencing

2 . ______ the project, they decided to stay there for another week.

A．Not completing	B．Not completed
C．Not having completed	D．Having not completed

3 . ______ that he didn’t pass the exam, he felt extremely sad.

A．Telling

B．Having told

C．To be told

D．Having been told

4 . ______________ their final medical check, the astronauts boarded their spacecraft.

A．Received	B．Being received
C．To receive	D．Having received

5 . The noise from my neighbor’s sitting room ______can be clearly heard in my apartment, which makes me distracted from reading.

A．is decorated

B．being decorated

C．decorated

D．to be decorated

6 .          he needed more money to carry out the task he took charge of, he rushed to the construction site.

A．Having declared	B．Declared
C．Declaring	D．To declare

7 . _______ her before, he didn’t know she was his daughter.

A．Not having seen	B．Having not seen
C．Not seeing	D．Not to see

8 . I found my computer functioning much better, ________ a new operating system.

A．to install	B．installing
C．having installed	D．installed