Our company has now come to the point ____________ we must make some reforms.
The expert’s theory, _____ my opinions were based, proved right in the end.
______ difficulties we may face in our life, we should keep calm and take measures to get them over.
This kind of tree is widely ______ in our country.
You will have to answer_____ your crimes one day.
He never gave up his dream and ______ achieved his goal.