1 . _________ from other continents for millions of years, Australia has many plants and animals not ________ in any other country in the world.

A．Having divided, to be found	B．Having been separated, found
C．Have been separated, found	D．Divided, finding

2 . ______ in the queue for half an hour, the old man suddenly realized he had left the mobile phone in the car.

A．To wait

B．To be waiting

C．Having waited

D．To have waited

3 . The scientist found a cure for the disease, ____ approximately 600 clinical cases.

A．studying

B．to study

C．having studied

D．to have studied

4 . The poor girl, ________ for not finishing homework on time, is in low sprits now.

A．scolding	B．being scolded
C．having been scolded	D．to be scolded

5 . ________ into account the possibility of stormy weather, we decided to spring for a cabin instead of setting up a tent.

A．To take

B．Taking

C．Take

D．Taken

6 . _____ 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

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

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

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

A．Telling

B．Having told

C．To be told

D．Having been told

9 . ______ with animals in his father’s zoo when he was young, Pi knows how to keep them under control.

A．Growing up

B．Having grown up

C．Grown up

D．Being grown up

10 . When Justin came to himself he found himself ________ out to the UFO by a group of aliens.

A．to carry.

B．carry

C．being carried

D．carrying