This type of work requires total concentration.
It is difflcult to grasp the concept of etemity.
You needn't concern yourself for the hotel booking.The travel agent will take care of it.
She refused to answer questions concerning her private life．
The band is on tour doing concerts all over the country.
Employers have been forced to make cancessions to the union．
He gave a clear and concise summary of what had happened.
After trying to phone Bob for days, I came to the conclusion that he was on holiday.
Can you give me a congrete example of what you mean?
Steam condense into water when it touches a cold surface.
There are some condoms in the bag．
Unquestionably，the idea of a universal confederation and a perpetual peace is commended both by common sense and religion.
The President is conferring with his advisers.
The conference was terminated yesterday．
The police persuaded the man to make a full confession．
She did not confide her love to anyone.
The public is losing confidence in the present government．
The crowds congregate in the town square to hear the President.
The comgressional opponents zeroed in on the bill.
According to the newspaper,the congressman is murdered.
John didn't know the fact; what he said was pure conjecture．
The cause of the accident is the conjunction of technical and managerial factors.
They succeeded in the conquest of the city.
He's aconscientious worker．
The injured driver was still conrscious when the ambulance arrived．
Balzac conscious set himself the task of writing "the natural history" of this socioty.
As he fell, he hit his head and lost consiousness.
This is the team's third consecutive win.
There is no consensus among experts about the causes of global warming．
The lack of rain and consequent poor harvests has led to food shortages.
She didn't work hard enough, and consequently failed the exam.
Conservation groups are protesting against the plan to build a road through the forest.