Here is example,which shows that petroleum is a very important industrial material.
There are many special wildlife species in Australia because it has been __________ from other continents for so long.
Standards in health care have improved greatly when __________ with 40 years ago.
When __________ different cultures, we often pay attention only to the differences without noticing the many similarities.
He didn't selfishly keep for himself the money inherited from his uncle. Instead, he made a __________ contribution to help the community.
Who would you like to __________ the film poster, Kate or Helen?