Students should concentrate on their studies and take their examinations honestly.
If you want to succeed, you need to concentrate on a single particular task with all your efforts and commitment.
Concentrate all your energy on the task you are going to perform well.
You cannot concentrate on studies, if you are not interested in what you are reading.
We should always concentrate on achieving excellence.
One important way to concentrate is to do one thing at a time.
He is not able to concentrate on his work.
Concentrate all your energy and efforts towards completing the task at hand.
Worry destroys our ability to concentrate and think rationally.
This helped me to concentrate on the studies and to improve my memory.